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Basic skeleton rendering

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This commit is contained in:
hodasemi 2018-05-18 11:25:22 +02:00
parent 880c7b0aac
commit aba42950c5
6 changed files with 64 additions and 56 deletions
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11
.vscode/tasks.json vendored
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@ -6,8 +6,13 @@
{
"label": "Run CG-Viewer",
"type": "shell",
"command": "LD_LIBRARY_PATH=$LD_LIBRARY_PATH:CGII/build/cmake/build/bin/unix/ framework/bin/unix/./cgv_viewer plugin:cg_fltk.cgv plugin:CGII.cgv",
"problemMatcher": []
"command": "framework/bin/unix/cgv_viewer",
"problemMatcher": [],
"args": [
"plugin:cg_fltk.cgv",
"plugin:CGII.cgv",
"plugin:crg_stereo_view.cgv"
]
},
{
"label": "Build All",
@ -18,7 +23,7 @@
{
"label": "Build CGII",
"type": "shell",
"command": "cd CGII/build/cmake && cmake . && make clean && make -j16",
"command": "cd CGII/build/cmake && cmake . && make clean && make -j16 && cd ../../.. && cp CGII/build/cmake/build/bin/unix/libCGII.so framework/lib/unix/",
"problemMatcher": []
}
]

BIN
CG2_SS18_02_Articulated_Objects.pdf Normal file
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28
CGII/src/Bone.cpp
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@ -12,6 +12,8 @@
Bone::Bone()
: parent(nullptr), length(0.0f), direction_in_world_space(0.0, 0.0, 0.0), translationTransforms(0)
{
start_point = Vec3(0.0f, 0.0f, 0.0f);
end_point = Vec3(0.0f, 0.0f, 0.0f);
}
Bone::~Bone()
@ -27,19 +29,6 @@ Bone::~Bone()
orientation.clear();
}
void print_mat4(Mat4 &m)
{
for (int x = 0; x < 4; x++)
{
for (int y = 0; y < 4; y++)
{
std::cout << m[x * 4 + y] << " ";
}
std::cout << std::endl;
}
}
void Bone::calculate_matrices()
{
orientationTransformGlobalToLocal.identity();
@ -48,6 +37,19 @@ void Bone::calculate_matrices()
});
orientationTransformLocalToGlobal = cgv::math::inv(orientationTransformGlobalToLocal);
if (parent != nullptr)
start_point = parent->end_point;
end_point = start_point + length * direction_in_world_space;
std::cout << name << " start at ("
<< start_point.x() << ", "
<< start_point.y() << ", "
<< start_point.z() << "), end at ("
<< end_point.x() << ", "
<< end_point.y() << ", "
<< end_point.z() << ")" << std::endl;
/*Task 2.1: Implement matrix calculation */
/*Task 4.6: Implement matrix calculation */

5
CGII/src/Bone.h
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@ -97,6 +97,10 @@ public:
//Available after implementing task 4.6.
const Mat4 &get_binding_pose_matrix() const;
// Testing area
Vec3 start_point; // same as parent end point
Vec3 end_point; // start_point + (length * direction_in_world_space)
private:
//The following attributes are read from the ASF file
std::deque<std::shared_ptr<AtomicTransform>> dofs; //Degrees of freedom for the bone
@ -121,4 +125,3 @@ private:
int translationTransforms; //The number of translation transforms that have been added as dof
};

10
CGII/src/SkeletonViewer.cpp
View file

@ -22,22 +22,22 @@ SkeletonViewer::SkeletonViewer(DataStore *data)
: node("Skeleton Viewer"), data(data)
{
program.createProgram("CGII/glsl/skinning.glvs", "CGII/glsl/skinning.glgs", "CGII/glsl/skinning.glfs");
connect(data->skeleton_changed, this, &SkeletonViewer::skeleton_changed);
connect(get_animation_trigger().shoot, this, &SkeletonViewer::timer_event);
}
//draws a part of a skeleton, represented by the given root node
void SkeletonViewer::draw_skeleton_subtree(Bone *node, const Mat4 &global_to_parent_local)
void SkeletonViewer::draw_skeleton_subtree(Bone *node, const Mat4 &global_to_parent_local, context &c)
{
//Task: Draw skeleton
c.tesselate_arrow(node->start_point, node->end_point);
Mat4 transform;
for (int i = 0; i < node->childCount(); i++)
{
draw_skeleton_subtree(node->child_at(i), transform);
draw_skeleton_subtree(node->child_at(i), transform, c);
}
}
@ -287,5 +287,5 @@ void SkeletonViewer::draw(context &c)
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
if (data->get_skeleton() != nullptr)
draw_skeleton_subtree(data->get_skeleton()->get_root(), data->get_skeleton()->get_origin());
draw_skeleton_subtree(data->get_skeleton()->get_root(), data->get_skeleton()->get_origin(), c);
}

4
CGII/src/SkeletonViewer.h
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@ -50,7 +50,7 @@ class SkeletonViewer : public node, public drawable, public provider
void load_animation();
void start_choose_base();
void draw_skeleton_subtree(Bone *node, const Mat4 &global_to_parent_local);
void draw_skeleton_subtree(Bone *node, const Mat4 &global_to_parent_local, context &c);
void dof_changed(double new_value);
void recursive_connect_signals(Bone *b);
@ -68,6 +68,4 @@ class SkeletonViewer : public node, public drawable, public provider
void draw(context &c);
std::string get_parent_type() const;
Program program;
};