void DrawLine(Vector3 a, Vector3 b, Color color) // 接口
{
a = Camera.main.WorldToViewportPoint(a);
b = Camera.main.WorldToViewportPoint(b);
DrawLines.DoDrawLines(color, new Vector2[] { a, b }, new int[] { 0, 1 }, Matrix4x4.identity);
}
void DrawLineScreen(Vector2 a, Vector2 b, Color color)
{
Matrix4x4 m = Matrix4x4.identity;
var screenSize = new Vector2(Screen.width, Screen.height);
a /= screenSize;
b /= screenSize;
DrawLines.DoDrawLines(color, new Vector2[] { a, b }, new int[] { 0, 1 }, m);
}
void DrawRect(Vector2 p, Vector2 size, Color color, Matrix4x4 m)
{
size /= UI.scaler.referenceResolution; // to N
var lt = p - size * 0.5f;
lt.y += size.y; // 左上和左下坐标的转换
var lb = p - size * 0.5f;
var rb = p + size * 0.5f;
rb.y -= size.y; // 其实也没必要，本来这么想但如果注释顺序就错了
var rt = p + size * 0.5f;
DrawLines.DrawQuads(color, new Vector2[] { lt, lb, rb, rt }, m);
}