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Use back face culling on the heightfields.

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This commit is contained in:
Andrzej Kapolka 2014-08-05 11:13:15 -07:00
parent 964dc4e954
commit c42fc15999
1 changed files with 6 additions and 2 deletions
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8
interface/src/MetavoxelSystem.cpp
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@ -359,9 +359,9 @@ void HeightfieldBuffer::render() {
int nextLineIndex = (i + 1) * sizeWithSkirt;
for (int j = 0; j < rows; j++) {
*index++ = lineIndex + j;
*index++ = lineIndex + j + 1;
*index++ = nextLineIndex + j + 1;
*index++ = nextLineIndex + j;
*index++ = nextLineIndex + j + 1;
*index++ = lineIndex + j + 1;
}
}
@ -405,6 +405,7 @@ QHash<int, HeightfieldBuffer::BufferPair> HeightfieldBuffer::_bufferPairs;
void HeightfieldPreview::render(const glm::vec3& translation, float scale) const {
glDisable(GL_BLEND);
glEnable(GL_CULL_FACE);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_EQUAL, 0.0f);
@ -431,6 +432,7 @@ void HeightfieldPreview::render(const glm::vec3& translation, float scale) const
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
}
@ -737,6 +739,7 @@ void DefaultMetavoxelRendererImplementation::render(MetavoxelData& data, Metavox
_pointProgram.release();
glEnable(GL_CULL_FACE);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_EQUAL, 0.0f);
@ -756,6 +759,7 @@ void DefaultMetavoxelRendererImplementation::render(MetavoxelData& data, Metavox
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
}