package day22

import (
	"math"

	"github.com/tidwall/pinhole"
)

func TestPinhole() {
	p := pinhole.New()
	p.DrawCube(-0.3, -0.3, -0.3, 0.3, 0.3, 0.3)
	p.Rotate(math.Pi/3, math.Pi/2, 0)
	p.SavePNG("cube.png", 500, 500, nil)
}

func PrintSpace(s Space, filename string) {
	// pinhole is from -1 to 1. let's use from 0 to 1.
	// so coord should be divided by max height, and let's hope that they are not too wide

	rotation := []float64{math.Pi/3, math.Pi/6, 0}

	p := pinhole.New()

	p.DrawRect(-1, -1, 1, 1, 0)

	for _, zLevel := range s.SettledOnZ {
		for _, block := range zLevel {
			p.DrawCube(float64(block.XMin) / float64(s.MaxZ),
				float64(block.YMin) / float64(s.MaxZ),
				float64(block.Z) / float64(s.MaxZ),
				float64(block.XMax + 1) / float64(s.MaxZ),
				float64(block.YMax + 1) / float64(s.MaxZ),
				float64(block.Z + block.ZHeight + 1) / float64(s.MaxZ))
		}
	}
	p.Rotate(rotation[0], rotation[1], rotation[2])
	p.SavePNG(filename, 1920, 1080, nil)
}