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Cull front faces of flames(normals are backwards).

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Faerbit 2015-02-28 00:51:20 +01:00
parent 1dad2f589f
commit 8c1369ad2e
1 changed files with 7 additions and 0 deletions
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7
graphics.cc
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@ -197,11 +197,18 @@ void Graphics::render(double time)
// render the level // render the level
level->render(lightingShader, true, &lightingViewProjectionMatrix, &shadowVPs); level->render(lightingShader, true, &lightingViewProjectionMatrix, &shadowVPs);
// cull faces to get consistent color while using alpha
// cull front faces because normals are on the wrong side
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
// draw flames on top // draw flames on top
flameShader->use(); flameShader->use();
flameShader->setUniform("viewProjectionMatrix", lightingViewProjectionMatrix); flameShader->setUniform("viewProjectionMatrix", lightingViewProjectionMatrix);
flameShader->setUniform("time", (float) time); flameShader->setUniform("time", (float) time);
flame_positions->render(); flame_positions->render();
glDisable(GL_CULL_FACE);
} }
bool Graphics::compareLightDistances(Light a, Light b) { bool Graphics::compareLightDistances(Light a, Light b) {