Merge pull request #20649 from gonnavis/webgl_gpgpu_birds_gltf_cohesi…

…on_0_error Fix examples/webgl_gpgpu_birds_gltf.html cohesion 0 error
mrdoob · Nov 10, 2020 · 6e7f347 · 6e7f347
2 parents 4be008d + 5780351
commit 6e7f347
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/examples/webgl_gpgpu_birds.html b/examples/webgl_gpgpu_birds.html
@@ -184,7 +184,9 @@
 
 							// Attraction / Cohesion - move closer
 							float threshDelta = 1.0 - alignmentThresh;
-							float adjustedPercent = ( percent - alignmentThresh ) / threshDelta;
+							float adjustedPercent;
+							if( threshDelta == 0. ) adjustedPercent = 1.;
+							else adjustedPercent = ( percent - alignmentThresh ) / threshDelta;
 
 							f = ( 0.5 - ( cos( adjustedPercent * PI_2 ) * -0.5 + 0.5 ) ) * delta;
 

diff --git a/examples/webgl_gpgpu_birds_gltf.html b/examples/webgl_gpgpu_birds_gltf.html
@@ -179,7 +179,9 @@
 
 							// Attraction / Cohesion - move closer
 							float threshDelta = 1.0 - alignmentThresh;
-							float adjustedPercent = ( percent - alignmentThresh ) / threshDelta;
+							float adjustedPercent;
+							if( threshDelta == 0. ) adjustedPercent = 1.;
+							else adjustedPercent = ( percent - alignmentThresh ) / threshDelta;
 
 							f = ( 0.5 - ( cos( adjustedPercent * PI_2 ) * -0.5 + 0.5 ) ) * delta;