jc/math/shape.jai

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Rect :: #type,distinct Vec(4, RECT_TYPE);
make_rect :: (x: RECT_TYPE, y: RECT_TYPE, w: RECT_TYPE, h: RECT_TYPE) -> Rect {
r: Rect = ---;
r.x = x;
r.y = y;
r.width = w;
r.height = h;
return r;
}
cut_left :: (rect: *Rect, want: RECT_TYPE) -> Rect {
amnt := basic.min(want, rect.width);
r := rect.*;
r.width = amnt;
rect.x += amnt;
rect.width -= amnt;
return r;
}
cut_right :: (rect: *Rect, want: RECT_TYPE) -> Rect {
amnt := basic.min(want, rect.width);
r := rect.*;
r.x += rect.width - amnt;
r.width = amnt;
rect.width -= r.width;
return r;
}
cut_top :: (rect: *Rect, want: RECT_TYPE) -> Rect {
amnt := basic.min(rect.height, want);
r := rect.*;
r.height -= amnt;
rect.y += amnt;
rect.height -= amnt;
return r;
}
cut_bottom :: (rect: *Rect, want: RECT_TYPE) -> Rect {
amnt := basic.min(want, rect.height);
r := rect.*;
r.y += r.height - amnt;
r.height = amnt;
rect.height -= amnt;
return r;
}
#scope_file
basic :: #import "Basic";