Lines Matching defs:rotation
55 float offsetX, offsetY, offsetR, rotation;
104 static void RotatePoint(float *x, float *y, float rotation)
108 tmpX = *x * Cos(rotation) - *y * Sin(rotation);
109 tmpY = *y * Cos(rotation) + *x * Sin(rotation);
135 stars[n].rotation += stars[n].offsetR*dt;
136 if (stars[n].rotation > MAXANGLES) {
137 stars[n].rotation = 0.0;
139 else if (stars[n].rotation < 0.0) {
140 stars[n].rotation += 360.0;
152 RotatePoint(&x0, &y0, stars[n].rotation);
160 RotatePoint(&x1, &y1, stars[n].rotation);