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Much cleaner rendering function, skipping invalid faces

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This commit is contained in:
Richard Davey 2020-09-15 18:07:51 +01:00
parent 3e133c900a
commit 431eb69b42
1 changed files with 18 additions and 5 deletions
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23
src/gameobjects/mesh/MeshWebGLRenderer.js
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@ -22,7 +22,15 @@ var GetCalcMatrix = require('../GetCalcMatrix');
*/ */
var MeshWebGLRenderer = function (renderer, src, camera, parentMatrix) var MeshWebGLRenderer = function (renderer, src, camera, parentMatrix)
{ {
var pipeline = renderer.pipelines.set(this.pipeline, src); var faces = src.faces;
var totalFaces = faces.length;
if (totalFaces === 0)
{
return;
}
var pipeline = renderer.pipelines.set(src.pipeline, src);
var calcMatrix = GetCalcMatrix(src, camera, parentMatrix).calc; var calcMatrix = GetCalcMatrix(src, camera, parentMatrix).calc;
@ -33,7 +41,6 @@ var MeshWebGLRenderer = function (renderer, src, camera, parentMatrix)
var vertexOffset = (pipeline.vertexCount * pipeline.vertexComponentCount) - 1; var vertexOffset = (pipeline.vertexCount * pipeline.vertexComponentCount) - 1;
var faces = src.faces;
var tintEffect = src.tintFill; var tintEffect = src.tintFill;
var debugCallback = src.debugCallback; var debugCallback = src.debugCallback;
@ -48,9 +55,17 @@ var MeshWebGLRenderer = function (renderer, src, camera, parentMatrix)
var roundPixels = camera.roundPixels; var roundPixels = camera.roundPixels;
var alpha = camera.alpha * src.alpha; var alpha = camera.alpha * src.alpha;
var hideCCW = src.hideCCW;
for (var i = 0; i < faces.length; i++) for (var i = 0; i < totalFaces; i++)
{ {
var face = faces[i];
if (hideCCW && !face.isCounterClockwise())
{
continue;
}
if (pipeline.shouldFlush(3)) if (pipeline.shouldFlush(3))
{ {
pipeline.flush(); pipeline.flush();
@ -58,8 +73,6 @@ var MeshWebGLRenderer = function (renderer, src, camera, parentMatrix)
vertexOffset = 0; vertexOffset = 0;
} }
var face = faces[i];
vertexOffset = face.vertex1.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels); vertexOffset = face.vertex1.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels);
vertexOffset = face.vertex2.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels); vertexOffset = face.vertex2.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels);
vertexOffset = face.vertex3.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels); vertexOffset = face.vertex3.load(F32, U32, vertexOffset, textureUnit, tintEffect, alpha, a, b, c, d, e, f, roundPixels);