public static bool contains(this iRlStage self, Vec2i pos) => self.bounds.contains(pos);
// TODO: consider both entities and tiles
public bool isDiagonallyPassingForEntity(Vec2i from, Dir9 dir, bool isDiaPassed)
{
return(isDiaPassed || dir.isCardinal || new [] { dir.xVec, dir.yVec }
.Select(v => v.offset(from))
.All(p => !this.cx.stage.isBlocked(p)));
}
Dir9(Vec2i offset) : this(offset.x, offset.y)
{
}
Dir9(int x, int y)
{
mVec = new Vec2i(x.clamp(-1, 1), y.clamp(-1, 1));
}
// from size
public Rect2Di(Vec2i size) : this(Vec2i.zero, size)
{
}
// TODO: make cache public static Dir9 fromVec2i(Vec2i v) => Dir9.clockwise.FirstOrDefault(d => v == d.vec);
public Rect2Di(Vec2i pos, int width, int height) : this(pos, new Vec2i(width, height))
{
}
public Rect2Di(int x, int y, Vec2i size) : this(new Vec2i(x, y), size)
{
}
public static Rect2Di centerIn(Rect2Di toCenter, Rect2Di main)
{
Vec2i pos = main.leftUp + ((main.size - toCenter.size) / 2);
return(new Rect2Di(pos, toCenter.size));
}
public Rect2Di(Vec2i pos, Vec2i size)
{
mPos = pos;
mSize = size;
}
public static Rect2Di col(Vec2i pos, int h) => new Rect2Di(pos.x, pos.y, 1, h);
public static Rect2Di row(Vec2i pos, int w) => new Rect2Di(pos.x, pos.y, w, 1);
public bool contains(Vec2i pos) => this.contains(pos.x, pos.y);
public Rect2Di offset(Vec2i pos, Vec2i size)
{
return(new Rect2Di(mPos + pos, mSize + size));
}
public Body setPos(Vec2i pos)
{
this.pos = pos;
return(this);
}