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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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8
examples/TinyRenderer/TinyRenderer.cpp
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@@ -487,7 +487,10 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
Model* model = renderData.m_model;
if (0==model)
return;
//discard invisible objects (zero alpha)
if (model->getColorRGBA()[3]==0)
return;
renderData.m_viewportMatrix = viewport(0,0,width, height);
b3AlignedObjectArray<float>& zbuffer = renderData.m_depthBuffer;
@@ -506,7 +509,8 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
btVector3 P(viewMatrixInv[0][3], viewMatrixInv[1][3], viewMatrixInv[2][3]);
Shader shader(model, light_dir_local, light_color, modelViewMatrix, lightModelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, renderData.m_viewportMatrix, localScaling, model->getColorRGBA(), width, height, shadowBufferPtr, renderData.m_lightAmbientCoeff, renderData.m_lightDiffuseCoeff, renderData.m_lightSpecularCoeff);
for (int i=0; i<model->nfaces(); i++)
{
B3_PROFILE("face");