106 lines
No EOL
2.8 KiB
Text
106 lines
No EOL
2.8 KiB
Text
import "luxe: assets" for Assets
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import "luxe: render" for Material
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import "math/math" for M
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import "math/Vector" for Vector
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class Util{
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static material_from_image_path(path){
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var image = Assets.image(path)
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return material_from_image(image)
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}
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static material_from_image(image){
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var material = Material.create("luxe: material_basis/sprite_pixelated")
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Material.set_input(material, "sprite.image", image)
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return material
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}
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static copy_list(from, to){
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for(i in 0...from.count){
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to[i] = from[i]
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}
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}
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static index_of(sequence, element){
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var index = -1
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var any = sequence.any{|elem|
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index = index + 1
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return elem == element
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}
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return any ? index : -1
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}
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static remove(list, element){
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var index = index_of(list, element)
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if(index < 0) return false
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list.removeAt(index)
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return true
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}
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static for_all(sequences, fn){
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var count = sequences.count
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var counter = (0...count)
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var iterators = List.filled(count, null)
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counter.each{|i| iterators[i] = sequences[i].iterate(iterators[i])}
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while(iterators.all{|iter| !!iter}){
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var values = (0...count).map{|i| sequences[i].iteratorValue(iterators[i])}.toList
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call_arg_list(fn, values)
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counter.each{|i| iterators[i] = sequences[i].iterate(iterators[i])}
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}
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}
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static call_arg_list(fn, args){
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//cover non-list cases
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if(args is Null){
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fn.call()
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return
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}
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if(!(args is Sequence)){
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fn.call(args)
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return
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}
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//list cases
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var l = args.count
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if(l == 0){
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fn.call()
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} else if(l == 1) {
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fn.call(args[0])
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} else if(l == 2) {
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fn.call(args[0], args[1])
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} else if(l == 3) {
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fn.call(args[0], args[1], args[2])
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} else if(l == 4) {
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fn.call(args[0], args[1], args[2], args[3])
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} else if(l == 5) {
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fn.call(args[0], args[1], args[2], args[3], args[4])
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} else if(l == 6) {
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fn.call(args[0], args[1], args[2], args[3], args[4], args[5])
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} else if(l == 7) {
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fn.call(args[0], args[1], args[2], args[3], args[4], args[5], args[6])
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} else if(l == 8) {
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fn.call(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7])
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} else if(l == 9) {
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fn.call(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7], args[8])
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} else {
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System.print("%(l) is too many arguments")
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}
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}
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//hue value saturation to rgb colors. all values in 0-1 range
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static hsv(h, s, v){
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//hue to rgb
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h = h % 1
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var col = [
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(h * 6 - 3).abs - 1,
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2 - (h * 6 - 2).abs,
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2 - (h * 6 - 4).abs
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]
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col = M.clamp(col, 0, 1)
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//then add saturation
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col = M.lerp(1, col, s)
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//and value
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col = col.map{|comp| comp * v}
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return col.toList + [1]
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}
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} |