如果设置的过细(0.1) 则有些线看不到
如果设置大一些(0.5) 则有些线显得更粗一些
为什么? 代码如下
auto draw = DrawNode::create();
addChild(draw, 10);
for (int j = 0; j < SCENE_HEIGHT; j+= CELL_PIXEL_SIZE)
{
draw->drawSegment(Point(0, j), Point(SCENE_WIDTH-1, j), 0.5, Color4F(1, 0, 0, 1));
}
for (int j = 0; j < SCENE_WIDTH; j+= CELL_PIXEL_SIZE)
{
draw->drawSegment(Point(j, 0), Point(j, SCENE_HEIGHT-1), 0.5, Color4F(1, 0, 0, 1));
}
截图见附件