2012-11-15 02:23:39 +00:00
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use core::cast::transmute;
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use core::cmp::Eq;
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2012-11-22 00:38:39 +00:00
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use core::ptr::to_unsafe_ptr;
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2012-11-25 12:05:47 +00:00
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use core::sys::size_of;
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2012-11-15 02:23:39 +00:00
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use core::vec::raw::buf_as_slice;
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use std::cmp::FuzzyEq;
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2012-12-01 04:55:45 +00:00
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use dim::{Dimensional, ToPtr};
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2012-11-26 06:48:46 +00:00
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use funs::exponential::Exp;
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2012-11-20 05:35:06 +00:00
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use num::default_eq::DefaultEq;
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2012-12-03 01:12:57 +00:00
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use num::kinds::Number;
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2012-11-15 02:23:39 +00:00
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2012-11-20 11:37:10 +00:00
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///
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/// The base vector trait
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///
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2012-12-01 04:55:45 +00:00
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pub trait Vector<T>: Dimensional<T>, ToPtr<T>, Eq, DefaultEq {
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2012-11-20 11:37:10 +00:00
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/// Construct the vector from a single value, copying it to each component
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2012-11-20 07:58:24 +00:00
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static pure fn from_value(value: T) -> self;
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}
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2012-11-21 04:08:36 +00:00
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/// A 2-dimensional vector
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pub trait Vector2<T>: Vector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn new(x: T, y: T) -> self;
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2012-11-21 04:08:36 +00:00
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}
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2012-11-20 07:58:24 +00:00
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2012-11-21 04:08:36 +00:00
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/// A 3-dimensional vector
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pub trait Vector3<T>: Vector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn new(x: T, y: T, z: T) -> self;
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2012-11-21 04:08:36 +00:00
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}
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2012-11-20 07:58:24 +00:00
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2012-11-21 04:08:36 +00:00
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/// A 4-dimensional vector
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pub trait Vector4<T>: Vector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn new(x: T, y: T, z: T, w: T) -> self;
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2012-11-21 04:08:36 +00:00
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}
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2012-11-15 02:23:39 +00:00
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2012-11-20 11:37:10 +00:00
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///
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/// A vector with numeric components
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///
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2012-11-15 02:23:39 +00:00
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pub trait NumericVector<T>: Vector<T>, Neg<self>{
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2012-11-20 06:57:32 +00:00
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static pure fn identity() -> self;
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static pure fn zero() -> self;
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2012-11-30 03:13:20 +00:00
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pure fn mul_t(&self, value: T) -> self;
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pure fn div_t(&self, value: T) -> self;
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2012-11-15 02:23:39 +00:00
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2012-11-30 03:13:20 +00:00
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pure fn add_v(&self, other: &self) -> self;
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pure fn sub_v(&self, other: &self) -> self;
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2012-11-15 02:23:39 +00:00
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2012-11-30 03:13:20 +00:00
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pure fn dot(&self, other: &self) -> T;
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2012-11-15 02:23:39 +00:00
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}
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2012-11-21 04:08:36 +00:00
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/// A 2-dimensional vector with numeric components
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pub trait NumericVector2<T>: NumericVector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn unit_x() -> self;
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// static pure fn unit_y() -> self;
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2012-11-21 04:08:36 +00:00
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}
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2012-11-20 07:58:24 +00:00
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2012-11-20 11:37:10 +00:00
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/// A 3-dimensional vector with numeric components
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2012-11-21 04:08:36 +00:00
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pub trait NumericVector3<T>: NumericVector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn unit_x() -> self;
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// static pure fn unit_y() -> self;
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// static pure fn unit_z() -> self;
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2012-11-30 03:13:20 +00:00
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pure fn cross(&self, other: &self) -> self;
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2012-11-20 07:58:24 +00:00
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}
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2012-11-21 04:08:36 +00:00
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/// A 4-dimensional vector with numeric components
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pub trait NumericVector4<T>: NumericVector<T> {
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2012-11-20 07:58:24 +00:00
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// static pure fn unit_x() -> self;
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// static pure fn unit_y() -> self;
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// static pure fn unit_z() -> self;
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// static pure fn unit_w() -> self;
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2012-11-21 04:08:36 +00:00
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}
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2012-11-20 07:58:24 +00:00
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2012-11-20 11:37:10 +00:00
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///
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/// A vector with geometric properties
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///
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2012-11-15 02:23:39 +00:00
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pub trait GeometricVector<T>: NumericVector<T> {
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2012-11-30 03:13:20 +00:00
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pure fn length2(&self) -> T;
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pure fn length(&self) -> T;
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pure fn distance2(&self, other: &self) -> T;
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pure fn distance(&self, other: &self) -> T;
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pure fn normalize(&self) -> self;
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pure fn lerp(&self, other: &self, amount: T) -> self;
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2012-11-15 02:23:39 +00:00
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}
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//
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// Vec2
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//
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pub struct Vec2<T> { x: T, y: T }
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2012-11-20 07:58:24 +00:00
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pub impl<T> Vec2<T>/*: Vector2<T>*/ {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-20 07:58:24 +00:00
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static pure fn new(x: T, y: T ) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2 { x: move x, y: move y }
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}
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2012-11-20 07:58:24 +00:00
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}
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pub impl<T:Copy> Vec2<T>: Vector<T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-20 07:58:24 +00:00
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static pure fn from_value(value: T) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2::new(value, value)
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}
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2012-12-01 04:19:21 +00:00
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}
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2012-12-01 04:55:45 +00:00
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pub impl<T> Vec2<T>: Dimensional<T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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static pure fn dim() -> uint { 2 }
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2012-11-25 12:05:47 +00:00
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#[inline(always)]
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static pure fn size_of() -> uint { size_of::<Vec2<T>>() }
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2012-12-01 04:19:21 +00:00
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}
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pub impl<T:Copy> Vec2<T>: Index<uint, T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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pure fn index(i: uint) -> T {
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unsafe { do buf_as_slice(
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transmute::<*Vec2<T>, *T>(
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to_unsafe_ptr(&self)), 2) |slice| { slice[i] }
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}
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}
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}
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2012-12-01 04:55:45 +00:00
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pub impl<T:Copy> Vec2<T>: ToPtr<T> {
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#[inline(always)]
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pure fn to_ptr(&self) -> *T {
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ptr::to_unsafe_ptr(&self[0])
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}
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}
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2012-11-15 02:23:39 +00:00
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2012-12-03 01:10:14 +00:00
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pub impl<T:Copy Number> Vec2<T>: NumericVector<T> {
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2012-11-20 06:57:32 +00:00
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#[inline(always)]
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static pure fn identity() -> Vec2<T> {
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2012-12-03 05:39:32 +00:00
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Vec2::new(Number::one(),
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Number::one())
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2012-11-20 06:57:32 +00:00
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}
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#[inline(always)]
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static pure fn zero() -> Vec2<T> {
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2012-12-03 05:39:32 +00:00
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Vec2::new(Number::zero(),
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Number::zero())
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2012-11-20 06:57:32 +00:00
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}
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn mul_t(&self, value: T) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2::new(self[0] * value,
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self[1] * value)
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn div_t(&self, value: T) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2::new(self[0] / value,
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self[1] / value)
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn add_v(&self, other: &Vec2<T>) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2::new(self[0] + other[0],
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self[1] + other[1])
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn sub_v(&self, other: &Vec2<T>) -> Vec2<T> {
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2012-11-15 02:23:39 +00:00
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Vec2::new(self[0] - other[0],
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self[1] - other[1])
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn dot(&self, other: &Vec2<T>) -> T {
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2012-11-15 02:23:39 +00:00
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self[0] * other[0] +
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self[1] * other[1]
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}
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}
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2012-12-01 04:19:21 +00:00
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2012-12-03 01:10:14 +00:00
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pub impl<T:Copy Number> Vec2<T>: Neg<Vec2<T>> {
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2012-12-01 04:19:21 +00:00
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#[inline(always)]
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pure fn neg(&self) -> Vec2<T> {
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Vec2::new(-self[0], -self[1])
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}
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}
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2012-11-15 02:23:39 +00:00
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2012-12-03 01:10:14 +00:00
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pub impl<T:Copy Number Exp> Vec2<T>: GeometricVector<T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn length2(&self) -> T {
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self.dot(self)
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2012-11-15 02:23:39 +00:00
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn length(&self) -> T {
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2012-11-15 02:23:39 +00:00
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self.length2().sqrt()
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn distance2(&self, other: &Vec2<T>) -> T {
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other.sub_v(self).length2()
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2012-11-15 02:23:39 +00:00
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn distance(&self, other: &Vec2<T>) -> T {
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other.distance2(self).sqrt()
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2012-11-15 02:23:39 +00:00
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn normalize(&self) -> Vec2<T> {
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2012-12-03 06:28:32 +00:00
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let mut n: T = Number::from(1);
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2012-11-15 02:23:39 +00:00
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n /= self.length();
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return self.mul_t(n);
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}
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#[inline(always)]
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2012-11-30 03:13:20 +00:00
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pure fn lerp(&self, other: &Vec2<T>, amount: T) -> Vec2<T> {
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self.add_v(&other.sub_v(self).mul_t(amount))
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2012-11-15 02:23:39 +00:00
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}
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}
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2012-11-20 05:35:06 +00:00
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pub impl<T:Copy DefaultEq> Vec2<T>: Eq {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-29 03:14:42 +00:00
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pure fn eq(&self, other: &Vec2<T>) -> bool {
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2012-11-20 05:35:06 +00:00
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self.default_eq(other)
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2012-11-15 02:23:39 +00:00
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}
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#[inline(always)]
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2012-11-29 03:14:42 +00:00
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pure fn ne(&self, other: &Vec2<T>) -> bool {
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!(self == other)
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2012-11-15 02:23:39 +00:00
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}
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}
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pub impl<T:Copy FuzzyEq> Vec2<T>: FuzzyEq {
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#[inline(always)]
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pure fn fuzzy_eq(other: &Vec2<T>) -> bool {
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self[0].fuzzy_eq(&other[0]) &&
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self[1].fuzzy_eq(&other[1])
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}
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}
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2012-11-20 05:35:06 +00:00
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pub impl<T:Copy DefaultEq> Vec2<T>: DefaultEq {
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#[inline(always)]
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2012-12-01 05:05:11 +00:00
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pure fn default_eq(&self, other: &Vec2<T>) -> bool {
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2012-11-20 05:35:06 +00:00
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self[0].default_eq(&other[0]) &&
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self[1].default_eq(&other[1])
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}
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}
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2012-11-15 02:23:39 +00:00
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//
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// Vec3
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//
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pub struct Vec3<T> { x: T, y: T, z: T }
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2012-11-20 07:58:24 +00:00
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pub impl<T> Vec3<T>/*: Vector3<T>*/ {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-20 07:58:24 +00:00
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static pure fn new(x: T, y: T, z: T) -> Vec3<T> {
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2012-11-15 02:23:39 +00:00
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Vec3 { x: move x, y: move y, z: move z }
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}
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}
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2012-11-20 07:58:24 +00:00
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pub impl<T:Copy> Vec3<T>: Vector<T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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2012-11-20 07:58:24 +00:00
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static pure fn from_value(value: T) -> Vec3<T> {
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Vec3::new(value, value, value)
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2012-11-15 02:23:39 +00:00
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}
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2012-12-01 04:19:21 +00:00
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}
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2012-12-01 04:55:45 +00:00
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pub impl<T> Vec3<T>: Dimensional<T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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static pure fn dim() -> uint { 3 }
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2012-11-25 12:05:47 +00:00
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#[inline(always)]
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static pure fn size_of() -> uint { size_of::<Vec3<T>>() }
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2012-12-01 04:19:21 +00:00
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}
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pub impl<T:Copy> Vec3<T>: Index<uint, T> {
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2012-11-15 02:23:39 +00:00
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#[inline(always)]
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pure fn index(i: uint) -> T {
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unsafe { do buf_as_slice(
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transmute::<*Vec3<T>, *T>(
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to_unsafe_ptr(&self)), 3) |slice| { slice[i] }
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}
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}
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}
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2012-12-01 04:55:45 +00:00
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pub impl<T:Copy> Vec3<T>: ToPtr<T> {
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#[inline(always)]
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|
|
|
pure fn to_ptr(&self) -> *T {
|
|
|
|
ptr::to_unsafe_ptr(&self[0])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number> Vec3<T>: NumericVector<T> {
|
2012-11-20 06:57:32 +00:00
|
|
|
#[inline(always)]
|
|
|
|
static pure fn identity() -> Vec3<T> {
|
2012-12-03 05:39:32 +00:00
|
|
|
Vec3::new(Number::one(),
|
|
|
|
Number::one(),
|
|
|
|
Number::one())
|
2012-11-20 06:57:32 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
|
|
|
static pure fn zero() -> Vec3<T> {
|
2012-12-03 05:39:32 +00:00
|
|
|
Vec3::new(Number::zero(),
|
|
|
|
Number::zero(),
|
|
|
|
Number::zero())
|
2012-11-20 06:57:32 +00:00
|
|
|
}
|
|
|
|
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn mul_t(&self, value: T) -> Vec3<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec3::new(self[0] * value,
|
|
|
|
self[1] * value,
|
|
|
|
self[2] * value)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn div_t(&self, value: T) -> Vec3<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec3::new(self[0] / value,
|
|
|
|
self[1] / value,
|
|
|
|
self[2] / value)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn add_v(&self, other: &Vec3<T>) -> Vec3<T>{
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec3::new(self[0] + other[0],
|
|
|
|
self[1] + other[1],
|
|
|
|
self[2] + other[2])
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn sub_v(&self, other: &Vec3<T>) -> Vec3<T>{
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec3::new(self[0] - other[0],
|
|
|
|
self[1] - other[1],
|
|
|
|
self[2] - other[2])
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn dot(&self, other: &Vec3<T>) -> T {
|
2012-11-15 02:23:39 +00:00
|
|
|
self[0] * other[0] +
|
|
|
|
self[1] * other[1] +
|
|
|
|
self[2] * other[2]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number> Vec3<T>: Neg<Vec3<T>> {
|
2012-12-01 04:19:21 +00:00
|
|
|
#[inline(always)]
|
|
|
|
pure fn neg(&self) -> Vec3<T> {
|
|
|
|
Vec3::new(-self[0], -self[1], -self[2])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number> Vec3<T>: NumericVector3<T> {
|
2012-11-20 07:58:24 +00:00
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn cross(&self, other: &Vec3<T>) -> Vec3<T> {
|
2012-11-20 07:58:24 +00:00
|
|
|
Vec3::new((self[1] * other[2]) - (self[2] * other[1]),
|
|
|
|
(self[2] * other[0]) - (self[0] * other[2]),
|
|
|
|
(self[0] * other[1]) - (self[1] * other[0]))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number Exp> Vec3<T>: GeometricVector<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn length2(&self) -> T {
|
|
|
|
self.dot(self)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn length(&self) -> T {
|
2012-11-15 02:23:39 +00:00
|
|
|
self.length2().sqrt()
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn distance2(&self, other: &Vec3<T>) -> T {
|
|
|
|
other.sub_v(self).length2()
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn distance(&self, other: &Vec3<T>) -> T {
|
|
|
|
other.distance2(self).sqrt()
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn normalize(&self) -> Vec3<T> {
|
2012-12-03 06:28:32 +00:00
|
|
|
let mut n: T = Number::from(1);
|
2012-11-15 02:23:39 +00:00
|
|
|
n /= self.length();
|
|
|
|
return self.mul_t(n);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn lerp(&self, other: &Vec3<T>, amount: T) -> Vec3<T> {
|
|
|
|
self.add_v(&other.sub_v(self).mul_t(amount))
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-20 05:35:06 +00:00
|
|
|
pub impl<T:Copy DefaultEq> Vec3<T>: Eq {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-29 03:14:42 +00:00
|
|
|
pure fn eq(&self, other: &Vec3<T>) -> bool {
|
2012-11-20 05:35:06 +00:00
|
|
|
self.default_eq(other)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-29 03:14:42 +00:00
|
|
|
pure fn ne(&self, other: &Vec3<T>) -> bool {
|
|
|
|
!(self == other)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub impl<T:Copy FuzzyEq> Vec3<T>: FuzzyEq {
|
|
|
|
#[inline(always)]
|
|
|
|
pure fn fuzzy_eq(other: &Vec3<T>) -> bool {
|
|
|
|
self[0].fuzzy_eq(&other[0]) &&
|
|
|
|
self[1].fuzzy_eq(&other[1]) &&
|
|
|
|
self[2].fuzzy_eq(&other[2])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-20 05:35:06 +00:00
|
|
|
pub impl<T:Copy DefaultEq> Vec3<T>: DefaultEq {
|
|
|
|
#[inline(always)]
|
2012-12-01 05:05:11 +00:00
|
|
|
pure fn default_eq(&self, other: &Vec3<T>) -> bool {
|
2012-11-20 05:35:06 +00:00
|
|
|
self[0].default_eq(&other[0]) &&
|
|
|
|
self[1].default_eq(&other[1]) &&
|
|
|
|
self[2].default_eq(&other[2])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-15 02:23:39 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
// Vec4
|
|
|
|
//
|
|
|
|
pub struct Vec4<T> { x: T, y: T, z: T, w: T }
|
|
|
|
|
2012-11-20 07:58:24 +00:00
|
|
|
pub impl<T> Vec4<T>/*: Vector4<T>*/ {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-20 07:58:24 +00:00
|
|
|
static pure fn new(x: T, y: T, z: T, w: T) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4 { x: move x, y: move y, z: move z, w: move w }
|
|
|
|
}
|
2012-11-20 07:58:24 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
pub impl<T:Copy> Vec4<T>: Vector<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-20 07:58:24 +00:00
|
|
|
static pure fn from_value(value: T) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4::new(value, value, value, value)
|
|
|
|
}
|
2012-12-01 04:19:21 +00:00
|
|
|
}
|
|
|
|
|
2012-12-01 04:55:45 +00:00
|
|
|
pub impl<T> Vec4<T>: Dimensional<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
|
|
|
static pure fn dim() -> uint { 4 }
|
|
|
|
|
2012-11-25 12:05:47 +00:00
|
|
|
#[inline(always)]
|
|
|
|
static pure fn size_of() -> uint { size_of::<Vec4<T>>() }
|
2012-12-01 04:19:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
pub impl<T:Copy> Vec4<T>: Index<uint, T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
|
|
|
pure fn index(i: uint) -> T {
|
|
|
|
unsafe { do buf_as_slice(
|
|
|
|
transmute::<*Vec4<T>, *T>(
|
|
|
|
to_unsafe_ptr(&self)), 4) |slice| { slice[i] }
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-01 04:55:45 +00:00
|
|
|
pub impl<T:Copy> Vec4<T>: ToPtr<T> {
|
|
|
|
#[inline(always)]
|
|
|
|
pure fn to_ptr(&self) -> *T {
|
|
|
|
ptr::to_unsafe_ptr(&self[0])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number> Vec4<T>: NumericVector<T> {
|
2012-11-20 06:57:32 +00:00
|
|
|
#[inline(always)]
|
|
|
|
static pure fn identity() -> Vec4<T> {
|
2012-12-03 05:39:32 +00:00
|
|
|
Vec4::new(Number::one(),
|
|
|
|
Number::one(),
|
|
|
|
Number::one(),
|
|
|
|
Number::one())
|
2012-11-20 06:57:32 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
|
|
|
static pure fn zero() -> Vec4<T> {
|
2012-12-03 05:39:32 +00:00
|
|
|
Vec4::new(Number::zero(),
|
|
|
|
Number::zero(),
|
|
|
|
Number::zero(),
|
|
|
|
Number::zero())
|
2012-11-20 06:57:32 +00:00
|
|
|
}
|
|
|
|
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn mul_t(&self, value: T) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4::new(self[0] * value,
|
|
|
|
self[1] * value,
|
|
|
|
self[2] * value,
|
|
|
|
self[3] * value)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn div_t(&self, value: T) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4::new(self[0] / value,
|
|
|
|
self[1] / value,
|
|
|
|
self[2] / value,
|
|
|
|
self[3] / value)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn add_v(&self, other: &Vec4<T>) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4::new(self[0] + other[0],
|
|
|
|
self[1] + other[1],
|
|
|
|
self[2] + other[2],
|
|
|
|
self[3] + other[3])
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn sub_v(&self, other: &Vec4<T>) -> Vec4<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
Vec4::new(self[0] - other[0],
|
|
|
|
self[1] - other[1],
|
|
|
|
self[2] - other[2],
|
|
|
|
self[3] - other[3])
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn dot(&self, other: &Vec4<T>) -> T {
|
2012-11-15 02:23:39 +00:00
|
|
|
self[0] * other[0] +
|
|
|
|
self[1] * other[1] +
|
|
|
|
self[2] * other[2] +
|
|
|
|
self[3] * other[3]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number> Vec4<T>: Neg<Vec4<T>> {
|
2012-12-01 04:19:21 +00:00
|
|
|
#[inline(always)]
|
|
|
|
pure fn neg(&self) -> Vec4<T> {
|
|
|
|
Vec4::new(-self[0], -self[1], -self[2], -self[3])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-12-03 01:10:14 +00:00
|
|
|
pub impl<T:Copy Number Exp> Vec4<T>: GeometricVector<T> {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn length2(&self) -> T {
|
|
|
|
self.dot(self)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn length(&self) -> T {
|
2012-11-15 02:23:39 +00:00
|
|
|
self.length2().sqrt()
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn distance2(&self, other: &Vec4<T>) -> T {
|
|
|
|
other.sub_v(self).length2()
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn distance(&self, other: &Vec4<T>) -> T {
|
|
|
|
other.distance2(self).sqrt()
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn normalize(&self) -> Vec4<T> {
|
2012-12-03 06:28:32 +00:00
|
|
|
let mut n: T = Number::from(1);
|
2012-11-15 02:23:39 +00:00
|
|
|
n /= self.length();
|
|
|
|
return self.mul_t(n);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-30 03:13:20 +00:00
|
|
|
pure fn lerp(&self, other: &Vec4<T>, amount: T) -> Vec4<T> {
|
|
|
|
self.add_v(&other.sub_v(self).mul_t(amount))
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-20 05:35:06 +00:00
|
|
|
pub impl<T:Copy DefaultEq> Vec4<T>: Eq {
|
2012-11-15 02:23:39 +00:00
|
|
|
#[inline(always)]
|
2012-11-29 03:14:42 +00:00
|
|
|
pure fn eq(&self, other: &Vec4<T>) -> bool {
|
2012-11-20 05:35:06 +00:00
|
|
|
self.default_eq(other)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#[inline(always)]
|
2012-11-29 03:14:42 +00:00
|
|
|
pure fn ne(&self, other: &Vec4<T>) -> bool {
|
|
|
|
!(self == other)
|
2012-11-15 02:23:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub impl<T:Copy FuzzyEq> Vec4<T>: FuzzyEq {
|
|
|
|
#[inline(always)]
|
|
|
|
pure fn fuzzy_eq(other: &Vec4<T>) -> bool {
|
|
|
|
self[0].fuzzy_eq(&other[0]) &&
|
|
|
|
self[1].fuzzy_eq(&other[1]) &&
|
|
|
|
self[2].fuzzy_eq(&other[2]) &&
|
|
|
|
self[3].fuzzy_eq(&other[3])
|
|
|
|
}
|
2012-11-20 05:35:06 +00:00
|
|
|
}
|
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pub impl<T:Copy DefaultEq> Vec4<T>: DefaultEq {
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#[inline(always)]
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2012-12-01 05:05:11 +00:00
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pure fn default_eq(&self, other: &Vec4<T>) -> bool {
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2012-11-20 05:35:06 +00:00
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self[0].default_eq(&other[0]) &&
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self[1].default_eq(&other[1]) &&
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self[2].default_eq(&other[2]) &&
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self[3].default_eq(&other[3])
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}
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2012-11-15 02:23:39 +00:00
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}
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