37 lines
921 B
Go
37 lines
921 B
Go
package shape
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import (
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"math"
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"oss.terrastruct.com/d2/lib/geo"
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)
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type shapeDoubleCircle struct {
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*baseShape
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}
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func NewDoubleCircle(box *geo.Box) Shape {
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return shapeDoubleCircle{
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baseShape: &baseShape{
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Type: DOUBLE_CIRCLE_TYPE,
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Box: box,
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},
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}
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}
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func (s shapeDoubleCircle) AspectRatio1() bool {
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return true
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}
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func (s shapeDoubleCircle) GetDimensionsToFit(width, height, padding float64) (float64, float64) {
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radius := math.Ceil(math.Sqrt(math.Pow(width/2, 2)+math.Pow(height/2, 2))) + padding
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return radius * 2, radius * 2
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}
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func (s shapeDoubleCircle) GetInsidePlacement(width, height, padding float64) geo.Point {
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return *geo.NewPoint(s.Box.TopLeft.X+math.Ceil(s.Box.Width/2-width/2), s.Box.TopLeft.Y+math.Ceil(s.Box.Height/2-height/2))
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}
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func (s shapeDoubleCircle) Perimeter() []geo.Intersectable {
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return []geo.Intersectable{geo.NewEllipse(s.Box.Center(), s.Box.Width/2, s.Box.Height/2)}
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}
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