Lines Matching refs:dy
75 gdraw(int dx, int dy, int val)
92 else { /* dy != 0 */
94 cur_y += dy;
95 if (dy < 0) {
96 i += dy;
97 dy = -dy;
100 for (; dy >= 0; --dy, ++i) {
113 static int dx, dy;
143 dx = 0; dy = mul;
146 dx = mul; dy = 0;
149 dx = 0; dy = -mul;
152 (void)gdraw(dx, dy, curve); out = 0;
167 tmp = dx; dx = dy; dy = -tmp; /* turn right */
171 tmp = dx; dx = -dy; dy = tmp; /* turn left */
173 if (gdraw(dx, dy, curve)) {