提交 a18c6ad0 编写于 作者: K Korijn van Golen

determine if normals are flipped by a reflection in the normalMatrix

上级 b56ae8a4
......@@ -676,7 +676,7 @@ function WebGLRenderer( parameters ) {
this.renderBufferDirect = function ( camera, fog, geometry, material, object, group ) {
var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );
var frontFaceCW = ( object.isMesh && object.normalMatrix.determinant() < 0 );
state.setMaterial( material, frontFaceCW );
......@@ -1406,7 +1406,7 @@ function WebGLRenderer( parameters ) {
if ( object.isImmediateRenderObject ) {
var frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 );
var frontFaceCW = ( object.isMesh && object.normalMatrix.determinant() < 0 );
state.setMaterial( material, frontFaceCW );
......
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