Searched refs:y1diff (Results 1 – 1 of 1) sorted by relevance
309 float y1diff; in try_setup_line() local359 y1diff = v1[0][1] - (float) floor(v1[0][1]) - 0.5; in try_setup_line()370 if (fabsf(x1diff) + fabsf(y1diff) < 0.5) { in try_setup_line()376 else if (sign(-y1diff) != sign(dy)) { in try_setup_line()457 y1diff = v1[0][1] - (float) floor(v1[0][1]) - 0.5; in try_setup_line()468 if (fabsf(x1diff) + fabsf(y1diff) < 0.5) { in try_setup_line()471 else if (sign(-y1diff) == sign(dy)) { in try_setup_line()479 float xintersect = fracf(v1[0][0]) + y1diff * dxdy; in try_setup_line()503 will_draw_start = sign(y1diff) == sign(dy); in try_setup_line()516 y_offset_end = - y1diff + 0.5; in try_setup_line()[all …]