Fix problem that Matrix::decompose rotation contains scaling factor

gameplay3d · Nov 8, 2015 · 074ad12 · 074ad12
1 parent e389e7d
commit 074ad12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/gameplay/src/Matrix.cpp b/gameplay/src/Matrix.cpp
@@ -517,7 +517,7 @@ bool Matrix::decompose(Vector3* scale, Quaternion* rotation, Vector3* translatio
     // Now calculate the rotation from the resulting matrix (axes).
     float trace = xaxis.x + yaxis.y + zaxis.z + 1.0f;
 
-    if (trace > MATH_EPSILON)
+    if (trace > 1.0f)
     {
         float s = 0.5f / sqrt(trace);
         rotation->w = 0.25f / s;