luboslenco
74 lines
2.3 KiB
Haxe
74 lines
2.3 KiB
Haxe
package arm.util;
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import kha.Image;
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import arm.ui.UITrait;
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class UVUtil {
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public static var uvmap:Image = null;
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public static var uvmapCached = false;
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public static var trianglemap:Image = null;
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public static var trianglemapCached = false;
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public static function cacheUVMap() {
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if (uvmapCached) return;
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var res = Config.getTextureRes();
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if (uvmap == null) {
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uvmap = Image.createRenderTarget(res, res);
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}
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uvmapCached = true;
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var merged = Context.mergedObject != null ? Context.mergedObject.data.raw : Context.paintObject.data.raw;
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var mesh = merged;
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var texa = mesh.vertex_arrays[2].values;
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var inda = mesh.index_arrays[0].values;
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uvmap.g2.begin(true, 0x00000000);
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uvmap.g2.color = 0xffcccccc;
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var strength = res > 2048 ? 2.0 : 1.0;
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var f = (1 / 32767) * uvmap.width;
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for (i in 0...Std.int(inda.length / 3)) {
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var x1 = (texa[inda[i * 3 ] * 2 ]) * f;
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var x2 = (texa[inda[i * 3 + 1] * 2 ]) * f;
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var x3 = (texa[inda[i * 3 + 2] * 2 ]) * f;
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var y1 = (texa[inda[i * 3 ] * 2 + 1]) * f;
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var y2 = (texa[inda[i * 3 + 1] * 2 + 1]) * f;
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var y3 = (texa[inda[i * 3 + 2] * 2 + 1]) * f;
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uvmap.g2.drawLine(x1, y1, x2, y2, strength);
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uvmap.g2.drawLine(x2, y2, x3, y3, strength);
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uvmap.g2.drawLine(x3, y3, x1, y1, strength);
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}
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uvmap.g2.end();
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}
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public static function cacheTriangleMap() {
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if (trianglemapCached) return;
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var res = Config.getTextureRes();
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if (trianglemap == null) {
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trianglemap = Image.createRenderTarget(res, res);
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}
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trianglemapCached = true;
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var merged = Context.mergedObject != null ? Context.mergedObject.data.raw : Context.paintObject.data.raw;
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var mesh = merged;
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var texa = mesh.vertex_arrays[2].values;
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var inda = mesh.index_arrays[0].values;
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trianglemap.g2.begin(true, 0xff000000);
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var f = (1 / 32767) * trianglemap.width;
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var color = 0xff000000;
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for (i in 0...Std.int(inda.length / 3)) {
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trianglemap.g2.color = color;
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var x1 = (texa[inda[i * 3 ] * 2 ]) * f;
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var x2 = (texa[inda[i * 3 + 1] * 2 ]) * f;
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var x3 = (texa[inda[i * 3 + 2] * 2 ]) * f;
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var y1 = (texa[inda[i * 3 ] * 2 + 1]) * f;
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var y2 = (texa[inda[i * 3 + 1] * 2 + 1]) * f;
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var y3 = (texa[inda[i * 3 + 2] * 2 + 1]) * f;
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trianglemap.g2.fillTriangle(x1, y1, x2, y2, x3, y3);
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color++;
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}
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trianglemap.g2.end();
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}
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}
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