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Merge pull request #77 from AnalyticalGraphicsInc/tr

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Treat alpha as 1.0 - Tr
This commit is contained in:
Ed Mackey 2017-05-19 11:19:43 -04:00 committed by GitHub
commit 1b9f54ef22
2 changed files with 2 additions and 2 deletions
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2
lib/loadMtl.js
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@ -66,7 +66,7 @@ function loadMtl(mtlPath) {
material.alpha = parseFloat(value);
} else if (/^Tr /i.test(line)) {
value = line.substring(3).trim();
material.alpha = parseFloat(value);
material.alpha = 1.0 - parseFloat(value);
} else if (/^map_Ka /i.test(line)) {
material.ambientTexture = path.resolve(mtlDirectory, line.substring(7).trim());
} else if (/^map_Ke /i.test(line)) {

2
specs/data/box-complex-material/box-complex-material.mtl
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@ -9,7 +9,7 @@ Ks 0.500000 0.500000 0.500000
Ke 0.100000 0.100000 0.100000
Ni 1.000000
d 0.900000
Tr 0.900000
Tr 0.100000
map_Ka ambient.gif
map_Ke emission.jpg
map_Kd diffuse.png