39 lines
971 B
Go
39 lines
971 B
Go
package day22
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import (
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"math"
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"github.com/tidwall/pinhole"
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)
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func TestPinhole() {
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p := pinhole.New()
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p.DrawCube(-0.3, -0.3, -0.3, 0.3, 0.3, 0.3)
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p.Rotate(math.Pi/3, math.Pi/2, 0)
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p.SavePNG("cube.png", 500, 500, nil)
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}
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func PrintSpace(s Space, filename string) {
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// pinhole is from -1 to 1. let's use from 0 to 1.
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// so coord should be divided by max height, and let's hope that they are not too wide
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rotation := []float64{math.Pi/3, math.Pi/6, 0}
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p := pinhole.New()
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p.DrawRect(-1, -1, 1, 1, 0)
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for _, zLevel := range s.SettledOnZ {
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for _, block := range zLevel {
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p.DrawCube(float64(block.XMin) / float64(s.MaxZ),
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float64(block.YMin) / float64(s.MaxZ),
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float64(block.Z) / float64(s.MaxZ),
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float64(block.XMax + 1) / float64(s.MaxZ),
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float64(block.YMax + 1) / float64(s.MaxZ),
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float64(block.Z + block.ZHeight + 1) / float64(s.MaxZ))
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}
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}
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p.Rotate(rotation[0], rotation[1], rotation[2])
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p.SavePNG(filename, 1920, 1080, nil)
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}
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