Lines Matching defs:x0
147 float x0, y0, x1, y1, width;
150 x0 = stars[n].x[0] * windW / stars[n].z[0];
152 RotatePoint(&x0, &y0, stars[n].rotation);
153 x0 += windW / 2.0;
156 if (x0 >= 0.0 && x0 < windW && y0 >= 0.0 && y0 < windH) {
166 if (fabs(x0-x1) < 1.0 && fabs(y0-y1) < 1.0) {
168 glVertex2f(x0, y0);
172 glVertex2f(x0, y0);
181 float x = x0 + width * Cos((float)i*MAXANGLES/8.0);