a[18] = aScale;
}
+ /**
+ * Set the rotation on a color axis by the specified values.
+ * axis=0 correspond to a rotation around the RED color
+ * axis=1 correspond to a rotation around the GREEN color
+ * axis=2 correspond to a rotation around the BLUE color
+ */
public void setRotate(int axis, float degrees) {
reset();
float radians = degrees * (float)Math.PI / 180;
float cosine = FloatMath.cos(radians);
float sine = FloatMath.sin(radians);
switch (axis) {
+ // Rotation around the red color
case 0:
mArray[6] = mArray[12] = cosine;
mArray[7] = sine;
mArray[11] = -sine;
break;
+ // Rotation around the green color
case 1:
- mArray[0] = mArray[17] = cosine;
- mArray[2] = sine;
- mArray[15] = -sine;
+ mArray[0] = mArray[12] = cosine;
+ mArray[2] = -sine;
+ mArray[10] = sine;
break;
+ // Rotation around the blue color
case 2:
mArray[0] = mArray[6] = cosine;
mArray[1] = sine;