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authorEhsan Akhgari <ehsan.akhgari@gmail.com>2012-06-22 15:11:36 -0400
committerEhsan Akhgari <ehsan.akhgari@gmail.com>2012-06-22 15:11:36 -0400
commit772e930cec4eba08d8e6c41a7c8b845a35c7d57b (patch)
tree307bd0360492ca07ae3ab0b8ba3761bd137ba06f /src
parent746848366b790cef369e67bb6a1d1de7dca99c7a (diff)
Make sure that the distance is positive
Diffstat (limited to 'src')
-rw-r--r--src/library_gl.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/library_gl.js b/src/library_gl.js
index d4ee713c..6a337d00 100644
--- a/src/library_gl.js
+++ b/src/library_gl.js
@@ -1599,7 +1599,7 @@ var LibraryGL = {
' gl_Position = u_projection * ecPosition; \n' +
(hasTextures ? 'v_texCoord = a_texCoord0; \n' : '') +
(colorSize ? 'v_color = a_color; \n' : 'v_color = u_color; \n') +
- (GLEmulation.fogEnabled ? 'v_fogFragCoord = ecPosition.z;\n' : '') +
+ (GLEmulation.fogEnabled ? 'v_fogFragCoord = abs(ecPosition.z);\n' : '') +
'} \n');
Module.ctx.compileShader(this.vertexShader);