Lines Matching refs:y0
44 GLfloat x0, y0; /* start */
79 * Input: (x0, y0) and (x1,y1) are the endpoints of the line.
89 compute_plane(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1,
95 const GLfloat py = y1 - y0;
103 const GLfloat d = -(a * x0 + b * y0 + c * z0);
111 const GLfloat py = y1 - y0;
116 const GLfloat d = -(a * x0 + b * y0 + c * z0);
344 const GLfloat y0 = line->y0 + t0 * line->dy;
346 const GLfloat y1 = line->y0 + t1 * line->dy;
350 line->qy0 = y0 + line->xAdj;
352 line->qy1 = y0 - line->xAdj;
376 yBot = y0 - 3.0F * line->halfWidth;
377 yTop = y0 + line->halfWidth;
380 yBot = y0 - line->halfWidth;
381 yTop = y0 + 3.0F * line->halfWidth;
418 if (y0 < y1) {
419 yBot = y0 - line->halfWidth;
432 yTop = y0 + line->halfWidth;
