mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-26 15:06:22 +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 {
|
|
VF = global.VF_POS_NORM_TEX_COL;
|
|
render_type = pr_trianglelist;
|
|
|
|
self.radius = radius;
|
|
self.hori = hori;
|
|
self.vert = vert;
|
|
self.smooth = smt;
|
|
projection = 0;
|
|
|
|
static initModel = function() { // swap H, V because fuck me
|
|
vertex = [ array_create(vert * hori * 2 * 3) ];
|
|
var amo = 0;
|
|
|
|
for (var i = 0; i < vert; i++)
|
|
for (var j = 0; j < hori; j++) {
|
|
var ha0 = (i + 0) / vert * 360;
|
|
var ha1 = (i + 1) / vert * 360;
|
|
var va0 = 90 - (j + 0) / hori * 180;
|
|
var va1 = 90 - (j + 1) / hori * 180;
|
|
|
|
var h0 = dsin(va0) * 0.5;
|
|
var h1 = dsin(va1) * 0.5;
|
|
var r0 = dcos(va0) * 0.5;
|
|
var r1 = dcos(va1) * 0.5;
|
|
|
|
var hx0 = dcos(ha0) * r0;
|
|
var hy0 = dsin(ha0) * r0;
|
|
var hz0 = h0;
|
|
|
|
var hx1 = dcos(ha1) * r0;
|
|
var hy1 = dsin(ha1) * r0;
|
|
var hz1 = h0;
|
|
|
|
var hx2 = dcos(ha0) * r1;
|
|
var hy2 = dsin(ha0) * r1;
|
|
var hz2 = h1;
|
|
|
|
var hx3 = dcos(ha1) * r1;
|
|
var hy3 = dsin(ha1) * r1;
|
|
var hz3 = h1;
|
|
|
|
var u0 = ha0 / 360, v0;
|
|
var u1 = ha1 / 360, v1;
|
|
var u2 = ha0 / 360, v2;
|
|
var u3 = ha1 / 360, v3;
|
|
|
|
var ind = (i * hori + j) * 6;
|
|
|
|
vertex[0][ind + 0] = new __vertex(hx0, hy0, hz0);
|
|
vertex[0][ind + 1] = new __vertex(hx1, hy1, hz1);
|
|
vertex[0][ind + 2] = new __vertex(hx2, hy2, hz2);
|
|
|
|
vertex[0][ind + 3] = new __vertex(hx1, hy1, hz1);
|
|
vertex[0][ind + 4] = new __vertex(hx3, hy3, hz3);
|
|
vertex[0][ind + 5] = new __vertex(hx2, hy2, hz2);
|
|
|
|
if(smooth) {
|
|
vertex[0][ind + 0].setNormal(hx0, hy0, hz0);
|
|
vertex[0][ind + 1].setNormal(hx1, hy1, hz1);
|
|
vertex[0][ind + 2].setNormal(hx2, hy2, hz2);
|
|
|
|
vertex[0][ind + 3].setNormal(hx1, hy1, hz1);
|
|
vertex[0][ind + 4].setNormal(hx3, hy3, hz3);
|
|
vertex[0][ind + 5].setNormal(hx2, hy2, hz2);
|
|
} else {
|
|
var nor = d3_cross_product([hx2 - hx0, hy2 - hy0, hz2 - hz0], [hx1 - hx0, hy1 - hy0, hz1 - hz0]);
|
|
nor = d3_normalize(nor);
|
|
|
|
vertex[0][ind + 0].setNormal(nor[0], nor[1], nor[2]);
|
|
vertex[0][ind + 1].setNormal(nor[0], nor[1], nor[2]);
|
|
vertex[0][ind + 2].setNormal(nor[0], nor[1], nor[2]);
|
|
|
|
vertex[0][ind + 3].setNormal(nor[0], nor[1], nor[2]);
|
|
vertex[0][ind + 4].setNormal(nor[0], nor[1], nor[2]);
|
|
vertex[0][ind + 5].setNormal(nor[0], nor[1], nor[2]);
|
|
}
|
|
|
|
switch(projection) {
|
|
case 0 :
|
|
v0 = dsin(va0);
|
|
v2 = dsin(va1);
|
|
break;
|
|
|
|
case 1 :
|
|
v0 = va0 / 90;
|
|
v2 = va1 / 90;
|
|
break;
|
|
|
|
case 2 :
|
|
v0 = (2 * arctan(exp(degtorad(va0))) - pi / 2) / (pi / 2);
|
|
v2 = (2 * arctan(exp(degtorad(va1))) - pi / 2) / (pi / 2);
|
|
break;
|
|
}
|
|
|
|
v0 = 0.5 - 0.5 * v0;
|
|
v2 = 0.5 - 0.5 * v2;
|
|
|
|
v1 = v0;
|
|
v3 = v2;
|
|
|
|
vertex[0][ind + 0].setUV(u0, v0);
|
|
vertex[0][ind + 1].setUV(u1, v1);
|
|
vertex[0][ind + 2].setUV(u2, v2);
|
|
|
|
vertex[0][ind + 3].setUV(u1, v1);
|
|
vertex[0][ind + 4].setUV(u3, v3);
|
|
vertex[0][ind + 5].setUV(u2, v2);
|
|
}
|
|
|
|
VB = build();
|
|
} initModel();
|
|
|
|
static onParameterUpdate = initModel;
|
|
} |