luboslenco
53 lines
1.7 KiB
Haxe
53 lines
1.7 KiB
Haxe
package arm.format.proc;
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class Plane {
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public var posa: kha.arrays.Int16Array = null;
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public var nora: kha.arrays.Int16Array = null;
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public var texa: kha.arrays.Int16Array = null;
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public var inda: kha.arrays.Uint32Array = null;
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public var scalePos = 1.0;
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public var scaleTex = 1.0;
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public var name = "";
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public var hasNext = false;
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public function new(sizeX = 1.0, sizeY = 1.0, vertsX = 2, vertsY = 2) {
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// Pack positions to (-1, 1) range
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var halfX = sizeX / 2;
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var halfY = sizeY / 2;
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scalePos = Math.max(halfX, halfY);
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var inv = (1 / scalePos) * 32767;
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posa = new kha.arrays.Int16Array(vertsX * vertsY * 4);
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nora = new kha.arrays.Int16Array(vertsX * vertsY * 2);
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texa = new kha.arrays.Int16Array(vertsX * vertsY * 2);
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inda = new kha.arrays.Uint32Array((vertsX - 1) * (vertsY - 1) * 6);
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var stepX = sizeX / (vertsX - 1);
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var stepY = sizeY / (vertsY - 1);
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for (i in 0...vertsX * vertsY) {
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var x = (i % vertsX) * stepX - halfX;
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var y = Std.int(i / vertsX) * stepY - halfY;
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posa[i * 4 ] = Std.int(x * inv);
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posa[i * 4 + 1] = Std.int(y * inv);
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posa[i * 4 + 2] = 0;
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nora[i * 2 ] = 0;
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nora[i * 2 + 1] = 0;
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posa[i * 4 + 3] = 32767;
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x = (i % vertsX) / vertsX;
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y = (Std.int(i / vertsX)) / vertsY;
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texa[i * 2 ] = Std.int(x * 32767);
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texa[i * 2 + 1] = Std.int(y * 32767);
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}
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for (i in 0...(vertsX - 1) * (vertsY - 1)) {
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var x = i % (vertsX - 1);
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var y = Std.int(i / (vertsY - 1));
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inda[i * 6 ] = y * vertsX + x;
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inda[i * 6 + 1] = y * vertsX + x + 1;
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inda[i * 6 + 2] = (y + 1) * vertsX + x;
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inda[i * 6 + 3] = y * vertsX + x + 1;
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inda[i * 6 + 4] = (y + 1) * vertsX + x + 1;
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inda[i * 6 + 5] = (y + 1) * vertsX + x;
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}
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}
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}
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