Lines Matching defs:rotation
57 float offsetX, offsetY, offsetR, rotation;
106 static void RotatePoint(float *x, float *y, float rotation)
110 tmpX = *x * Cos(rotation) - *y * Sin(rotation);
111 tmpY = *y * Cos(rotation) + *x * Sin(rotation);
130 stars[n].rotation += stars[n].offsetR;
131 if (stars[n].rotation > MAXANGLES) {
132 stars[n].rotation = 0.0;
144 RotatePoint(&x0, &y0, stars[n].rotation);
152 RotatePoint(&x1, &y1, stars[n].rotation);