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Fix cube rendering

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This commit is contained in:
hodasemi 2019-05-31 14:42:02 +02:00
parent 1dca5470f6
commit 4c3b956787
1 changed files with 11 additions and 9 deletions
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20
exercise3/src/cube_system.cpp
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@ -80,6 +80,7 @@ void render_cube_face(
const double p2[3], const double p2[3],
const double p3[3]) const double p3[3])
{ {
glColor3dv(color);
glVertex3dv(p0); glVertex3dv(p0);
glColor3dv(color); glColor3dv(color);
glVertex3dv(p1); glVertex3dv(p1);
@ -91,7 +92,6 @@ void render_cube_face(
glVertex3dv(p3); glVertex3dv(p3);
glColor3dv(color); glColor3dv(color);
glVertex3dv(p0); glVertex3dv(p0);
glColor3dv(color);
} }
// Render one single cube // Render one single cube
@ -125,14 +125,14 @@ void cube_system::render_cube()
*/ */
const double vertices[8][3] = { const double vertices[8][3] = {
{-1.0, -1.0, 1.0}, {-1.0, -1.0, 1.0}, // 1
{ 1.0, -1.0, 1.0}, { 1.0, -1.0, 1.0}, // 2
{ 1.0, 1.0, 1.0}, { 1.0, 1.0, 1.0}, // 3
{-1.0, 1.0, 1.0}, {-1.0, 1.0, 1.0}, // 4
{-1.0, -1.0, -1.0}, {-1.0, -1.0, -1.0}, // 5
{ 1.0, -1.0, -1.0}, { 1.0, -1.0, -1.0}, // 6
{ 1.0, 1.0, -1.0}, { 1.0, 1.0, -1.0}, // 7
{-1.0, 1.0, -1.0} {-1.0, 1.0, -1.0} // 8
}; };
const double colors[6][3] = { const double colors[6][3] = {
@ -144,12 +144,14 @@ void cube_system::render_cube()
{0.0, 1.0, 1.0}, {0.0, 1.0, 1.0},
}; };
glBegin(GL_TRIANGLES);
render_cube_face(colors[0], vertices[0], vertices[1], vertices[2], vertices[3]); render_cube_face(colors[0], vertices[0], vertices[1], vertices[2], vertices[3]);
render_cube_face(colors[1], vertices[1], vertices[5], vertices[6], vertices[2]); render_cube_face(colors[1], vertices[1], vertices[5], vertices[6], vertices[2]);
render_cube_face(colors[2], vertices[5], vertices[4], vertices[7], vertices[6]); render_cube_face(colors[2], vertices[5], vertices[4], vertices[7], vertices[6]);
render_cube_face(colors[3], vertices[4], vertices[0], vertices[3], vertices[7]); render_cube_face(colors[3], vertices[4], vertices[0], vertices[3], vertices[7]);
render_cube_face(colors[4], vertices[4], vertices[5], vertices[1], vertices[0]); render_cube_face(colors[4], vertices[4], vertices[5], vertices[1], vertices[0]);
render_cube_face(colors[5], vertices[6], vertices[7], vertices[3], vertices[2]); render_cube_face(colors[5], vertices[6], vertices[7], vertices[3], vertices[2]);
glEnd();
} }