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don't render objects with zero alpha color (RGBA)

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This commit is contained in:
Erwin Coumans
2017-05-13 07:38:00 -07:00
parent f692973f47
commit 7cb763e4c8
4 changed files with 22 additions and 9 deletions
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10
examples/OpenGLWindow/SimpleOpenGL2Renderer.cpp
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@@ -26,7 +26,7 @@ B3_ATTRIBUTE_ALIGNED16(struct) SimpleGL2Instance
int m_shapeIndex;
b3Vector3 m_position;
b3Quaternion orn;
b3Vector3 m_rgbColor;
b3Vector4 m_rgbColor;
b3Vector3 m_scaling;
void clear()
{
@@ -182,6 +182,10 @@ void SimpleOpenGL2Renderer::drawOpenGL(int instanceIndex)
const SimpleGL2Instance& inst = *instPtr;
const SimpleGL2Shape* shape = m_data->m_shapes[inst.m_shapeIndex];
if (inst.m_rgbColor[3]==0)
{
return;
}
glPushMatrix();
b3Transform tr;
@@ -475,6 +479,8 @@ int SimpleOpenGL2Renderer::registerGraphicsInstance(int shapeIndex, const double
instance.m_rgbColor[0] = color[0];
instance.m_rgbColor[1] = color[1];
instance.m_rgbColor[2] = color[2];
instance.m_rgbColor[3] = color[3];
instance.m_scaling[0] = scaling[0];
instance.m_scaling[1] = scaling[1];
instance.m_scaling[2] = scaling[2];
@@ -496,6 +502,8 @@ int SimpleOpenGL2Renderer::registerGraphicsInstance(int shapeIndex, const float*
instance.m_rgbColor[0] = color[0];
instance.m_rgbColor[1] = color[1];
instance.m_rgbColor[2] = color[2];
instance.m_rgbColor[3] = color[3];
instance.m_scaling[0] = scaling[0];
instance.m_scaling[1] = scaling[1];
instance.m_scaling[2] = scaling[2];