static void renderGeometry(ref PxGeometry geom)
{
switch (geom.getType())
{
case PxGeometryType.eBOX:
{
ref PxBoxGeometry boxGeom = ref Unsafe.As <PxGeometry, PxBoxGeometry>(ref geom);
float hx = boxGeom.halfExtents.x;
float hy = boxGeom.halfExtents.y;
float hz = boxGeom.halfExtents.z;
// +x
GL.Begin(PrimitiveType.Quads);
GL.Normal3(1f, 0f, 0f);
GL.Vertex3(+hx, +hy, +hz);
GL.Vertex3(+hx, -hy, +hz);
GL.Vertex3(+hx, -hy, -hz);
GL.Vertex3(+hx, +hy, -hz);
GL.End();
// -x
GL.Begin(PrimitiveType.Quads);
GL.Normal3(-1f, 0f, 0f);
GL.Vertex3(-hx, +hy, +hz);
GL.Vertex3(-hx, +hy, -hz);
GL.Vertex3(-hx, -hy, -hz);
GL.Vertex3(-hx, -hy, +hz);
GL.End();
// +y
GL.Begin(PrimitiveType.Quads);
GL.Normal3(0f, 1f, 0f);
GL.Vertex3(+hx, +hy, +hz);
GL.Vertex3(-hx, +hy, +hz);
GL.Vertex3(-hx, +hy, -hz);
GL.Vertex3(+hx, +hy, -hz);
GL.End();
// -y
GL.Begin(PrimitiveType.Quads);
GL.Normal3(0f, -1f, 0f);
GL.Vertex3(+hx, -hy, +hz);
GL.Vertex3(+hx, -hy, -hz);
GL.Vertex3(-hx, -hy, -hz);
GL.Vertex3(-hx, -hy, +hz);
GL.End();
// +z
GL.Begin(PrimitiveType.Quads);
GL.Normal3(0f, 0f, 1f);
GL.Vertex3(+hx, +hy, +hz);
GL.Vertex3(-hx, +hy, +hz);
GL.Vertex3(-hx, -hy, +hz);
GL.Vertex3(+hx, -hy, +hz);
GL.End();
// -z
GL.Begin(PrimitiveType.Quads);
GL.Normal3(0f, 0f, -1f);
GL.Vertex3(+hx, +hy, -hz);
GL.Vertex3(+hx, -hy, -hz);
GL.Vertex3(-hx, -hy, -hz);
GL.Vertex3(-hx, +hy, -hz);
GL.End();
}
break;
