50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#include "all_includes.hh"
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ArcheQuad::ArcheQuad(Quad _c, float _height, float _start, float _end) : Chose(), c(_c), height(_height), start(_start), end(_end) {
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addEntropy(c);
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addEntropy(height);
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}
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bool ArcheQuad::split() {
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if (std::abs(end - start) < 0.01)
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return false;
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float mid = (start + end) / 2;
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addChild(new ArcheQuad(c, height, start, mid));
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addChild(new ArcheQuad(c, height, mid, end));
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return true;
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}
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void ArcheQuad::triangulation() {
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Quad che = c.offsetNormal(f(end) * height);
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Quad chw = c.offsetNormal(f(start) * height);
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addGPUQuad(Quad(c[NW], c[NE], che[NE], chw[NW]), Couleurs::mur);
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addGPUQuad(Quad(c[SE], c[SW], chw[SW], che[SE]), Couleurs::mur);
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/*
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// Doivent être dessiné par le bâtiment englobant.
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if (start == 0)
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addGPUQuad(Quad(c[SW], c[NW], chw[NW], chw[SW]), Couleurs::mur);
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if (end == 1)
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addGPUQuad(Quad(c[NE], c[SE], che[SE], che[NE]), Couleurs::mur);
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*/
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}
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void ArcheQuad::getBoundingBoxPoints() {
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addBBPoints(c, height);
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}
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float ArcheQuad::f(float x) {
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switch(hash2(seed, 0) % 2){
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case 0: return ogive(x);
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case 1:
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default: return berceau(x);
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}
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}
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float ArcheQuad::ogive(float x) {
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return sin(acos(abs(x / 2.f) + 1.f/2.f));
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}
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float ArcheQuad::berceau(float x) {
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return sin(acos(x));
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}
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