Lines Matching refs:dy
84 gdraw(int dx, int dy, int val)
106 else { /* dy != 0 */
108 cur_y += dy;
109 if (dy < 0) {
110 i += dy;
111 dy = -dy;
114 for (; dy >= 0; --dy, ++i) {
130 static int dx, dy;
160 dx = 0; dy = mul;
163 dx = mul; dy = 0;
166 dx = 0; dy = -mul;
169 (void)gdraw(dx, dy, curve); out = 0;
184 tmp = dx; dx = dy; dy = -tmp; /* turn right */
188 tmp = dx; dx = -dy; dy = tmp; /* turn left */
190 if (gdraw(dx, dy, curve)) {