mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-25 06:26:42 +01:00
115 lines
No EOL
3 KiB
Text
115 lines
No EOL
3 KiB
Text
function __3dUVSphere(radius = 0.5, hori = 16, vert = 8, smt = false) : __3dObject() constructor {
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VF = global.VF_POS_NORM_TEX_COL;
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render_type = pr_trianglelist;
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self.radius = radius;
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self.hori = hori;
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self.vert = vert;
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self.smooth = smt;
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projection = 0;
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static initModel = function() { // swap H, V because fuck me
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vertex = [ array_create(vert * hori * 2 * 3) ];
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var amo = 0;
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for (var i = 0; i < vert; i++)
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for (var j = 0; j < hori; j++) {
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var ha0 = (i + 0) / vert * 360;
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var ha1 = (i + 1) / vert * 360;
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var va0 = 90 - (j + 0) / hori * 180;
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var va1 = 90 - (j + 1) / hori * 180;
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var h0 = dsin(va0) * 0.5;
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var h1 = dsin(va1) * 0.5;
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var r0 = dcos(va0) * 0.5;
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var r1 = dcos(va1) * 0.5;
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var hx0 = dcos(ha0) * r0;
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var hy0 = dsin(ha0) * r0;
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var hz0 = h0;
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var hx1 = dcos(ha1) * r0;
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var hy1 = dsin(ha1) * r0;
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var hz1 = h0;
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var hx2 = dcos(ha0) * r1;
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var hy2 = dsin(ha0) * r1;
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var hz2 = h1;
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var hx3 = dcos(ha1) * r1;
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var hy3 = dsin(ha1) * r1;
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var hz3 = h1;
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var u0 = ha0 / 360, v0;
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var u1 = ha1 / 360, v1;
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var u2 = ha0 / 360, v2;
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var u3 = ha1 / 360, v3;
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var ind = (i * hori + j) * 6;
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vertex[0][ind + 0] = new __vertex(hx0, hy0, hz0);
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vertex[0][ind + 1] = new __vertex(hx1, hy1, hz1);
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vertex[0][ind + 2] = new __vertex(hx2, hy2, hz2);
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vertex[0][ind + 3] = new __vertex(hx1, hy1, hz1);
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vertex[0][ind + 4] = new __vertex(hx3, hy3, hz3);
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vertex[0][ind + 5] = new __vertex(hx2, hy2, hz2);
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if(smooth) {
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vertex[0][ind + 0].setNormal(hx0, hy0, hz0);
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vertex[0][ind + 1].setNormal(hx1, hy1, hz1);
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vertex[0][ind + 2].setNormal(hx2, hy2, hz2);
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vertex[0][ind + 3].setNormal(hx1, hy1, hz1);
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vertex[0][ind + 4].setNormal(hx3, hy3, hz3);
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vertex[0][ind + 5].setNormal(hx2, hy2, hz2);
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} else {
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var nor = d3_cross_product([hx2 - hx0, hy2 - hy0, hz2 - hz0], [hx1 - hx0, hy1 - hy0, hz1 - hz0]);
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nor = d3_normalize(nor);
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vertex[0][ind + 0].setNormal(nor[0], nor[1], nor[2]);
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vertex[0][ind + 1].setNormal(nor[0], nor[1], nor[2]);
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vertex[0][ind + 2].setNormal(nor[0], nor[1], nor[2]);
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vertex[0][ind + 3].setNormal(nor[0], nor[1], nor[2]);
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vertex[0][ind + 4].setNormal(nor[0], nor[1], nor[2]);
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vertex[0][ind + 5].setNormal(nor[0], nor[1], nor[2]);
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}
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switch(projection) {
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case 0 :
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v0 = dsin(va0);
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v2 = dsin(va1);
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break;
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case 1 :
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v0 = va0 / 90;
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v2 = va1 / 90;
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break;
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case 2 :
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v0 = (2 * arctan(exp(degtorad(va0))) - pi / 2) / (pi / 2);
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v2 = (2 * arctan(exp(degtorad(va1))) - pi / 2) / (pi / 2);
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break;
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}
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v0 = 0.5 - 0.5 * v0;
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v2 = 0.5 - 0.5 * v2;
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v1 = v0;
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v3 = v2;
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vertex[0][ind + 0].setUV(u0, v0);
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vertex[0][ind + 1].setUV(u1, v1);
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vertex[0][ind + 2].setUV(u2, v2);
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vertex[0][ind + 3].setUV(u1, v1);
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vertex[0][ind + 4].setUV(u3, v3);
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vertex[0][ind + 5].setUV(u2, v2);
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}
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VB = build();
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} initModel();
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static onParameterUpdate = initModel;
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} |