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Reuse triangle area since we use the triangle plane as the (u, v) plane

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Irlan
2019-06-28 15:19:22 -03:00
parent b5e4b33980
commit 0e4b1c4d1e
1 changed files with 2 additions and 4 deletions
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6
src/bounce/cloth/cloth.cpp
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@@ -190,10 +190,8 @@ b3Cloth::b3Cloth(const b3ClothDef& def) :
B3_ASSERT(det != 0.0f); B3_ASSERT(det != 0.0f);
triangle->m_inv_det = 1.0f / det; triangle->m_inv_det = 1.0f / det;
// Triangle area // Area
b3Vec3 v1(du1, dv1, 0.0f); triangle->m_alpha = 0.5f * A2;
b3Vec3 v2(du2, dv2, 0.0f);
triangle->m_alpha = 0.5f * b3Length(b3Cross(v1, v2));
// Create strech force // Create strech force
b3StrechForceDef sfdef; b3StrechForceDef sfdef;