79 lines
1.7 KiB
Plaintext
79 lines
1.7 KiB
Plaintext
Rect2P :: struct {
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min: Vector2;
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max: Vector2;
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}
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F32_Max :: proc(a: f32, b: f32): f32 {
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if a > b return a;
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return b;
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}
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F32_Min :: proc(a: f32, b: f32): f32 {
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if a > b return b;
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return a;
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}
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F32_Clamp :: proc(val: f32, min: f32, max: f32): f32 {
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if (val > max) return max;
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if (val < min) return min;
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return val;
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}
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GetRectSize :: proc(rect: Rect2P): Vector2 {
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result: Vector2 = {rect.max.x - rect.min.x, rect.max.y - rect.min.y};
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return result;
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}
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CutLeft :: proc(r: *Rect2P, value: f32): Rect2P {
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minx := r.min.x;
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r.min.x = F32_Min(r.max.x, r.min.x + value);
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return :Rect2P{
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{ minx, r.min.y},
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{r.min.x, r.max.y},
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};
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}
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CutRight :: proc(r: *Rect2P, value: f32): Rect2P {
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maxx := r.max.x;
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r.max.x = F32_Max(r.max.x - value, r.min.x);
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return :Rect2P{
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{r.max.x, r.min.y},
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{ maxx, r.max.y},
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};
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}
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CutBottom :: proc(r: *Rect2P, value: f32): Rect2P { // Y is down
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maxy := r.max.y;
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r.max.y = F32_Max(r.min.y, r.max.y - value);
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return :Rect2P{
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{r.min.x, r.max.y},
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{r.max.x, maxy},
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};
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}
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CutTop :: proc(r: *Rect2P, value: f32): Rect2P { // Y is down
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miny := r.min.y;
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r.min.y = F32_Min(r.min.y + value, r.max.y);
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return :Rect2P{
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{r.min.x, miny},
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{r.max.x, r.min.y},
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};
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}
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Rect2PToRectangle :: proc(r: Rect2P): Rectangle {
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result: Rectangle = {r.min.x, r.min.y, r.max.x - r.min.x, r.max.y - r.min.y};
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return result;
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}
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Rect2PSize :: proc(x: f32, y: f32, w: f32, h: f32): Rect2P {
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result: Rect2P = {{x, y}, {x+w, y+h}};
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return result;
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}
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Shrink :: proc(r: Rect2P, v: f32): Rect2P {
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r.min.x += v;
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r.min.y += v;
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r.max.x -= v;
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r.max.y -= v;
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return r;
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} |