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Fix issue with glRotate

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This commit is contained in:
Luke Benstead 2020-10-03 11:54:00 +01:00
parent 44155632c1
commit cee1c87ed5
1 changed files with 2 additions and 3 deletions
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5
GL/matrix.c
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@ -186,8 +186,9 @@ void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
0.0f, 0.0f, 0.0f, 1.0f
};
float r = DEG2RAD * angle;
vec3f_normalize(x, y, z);
float r = DEG2RAD * angle;
float c = cos(r);
float s = sin(r);
float invc = 1.0f - c;
@ -198,8 +199,6 @@ void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
float xy = y * x;
float yz = y * z;
vec3f_normalize(x, y, z);
rotate[M0] = (x * x) * invc + c;
rotate[M1] = xy * invc + zs;
rotate[M2] = xz * invc - ys;