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Flip normals

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This commit is contained in:
luboslenco
2019-03-04 09:25:21 +01:00
parent ca18928c0f
commit cf44396d3d
1 changed files with 22 additions and 0 deletions
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Sources/arm/util/MeshUtil.hx
+22
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@@ -120,4 +120,26 @@ class MeshUtil {
g.vertexBufferMap.get("posnor").unlock();
}
}
public static function flipNormals() {
for (p in UITrait.inst.paintObjects) {
var g = p.data.geom;
// position, normals
var vertices = g.vertexBuffer.lockInt16(); // posnortex
var verticesDepth = g.vertexBufferMap.get("pos").lockInt16();
if (!g.vertexBufferMap.exists("posnor")) g.get([{name: "pos", data: 'short4norm'}, {name: "nor", data: 'short2norm'}]);
var verticesVox = g.vertexBufferMap.get("posnor").lockInt16();
for (i in 0...Std.int(vertices.length / 8)) {
vertices[i * 8 + 3] = -vertices[i * 8 + 3];
vertices[i * 8 + 4] = -vertices[i * 8 + 4];
vertices[i * 8 + 5] = -vertices[i * 8 + 5];
verticesVox[i * 6 + 3] = -verticesVox[i * 6 + 3];
verticesVox[i * 6 + 4] = -verticesVox[i * 6 + 4];
verticesVox[i * 6 + 5] = -verticesVox[i * 6 + 5];
}
g.vertexBuffer.unlock();
g.vertexBufferMap.get("pos").unlock();
g.vertexBufferMap.get("posnor").unlock();
}
}
}