Quelques corrections sur les arches.

This commit is contained in:
Georges Dupéron 2012-01-19 22:22:53 +01:00
parent 05836fd361
commit 5093ee45de
4 changed files with 35 additions and 34 deletions

View File

@ -1,18 +1,28 @@
#include "all_includes.hh"
ArcheQuad::ArcheQuad(Quad _c, float _height, float _start, float _end) : Chose(), c(_c), height(_height), start(_start), end(_end) {
addEntropy(c);
addEntropy(height);
ArcheQuad::ArcheQuad(Quad _c, float _height, float _start, float _end, Type _type) : Chose(), c(_c), height(_height), start(_start), end(_end), type(_type) {
if (type == RANDOM) {
addEntropy(c);
addEntropy(height);
switch (hash2(seed, 0) % 3) {
case 0: type = OGIVE; break;
case 1: type = BERCEAU; break;
case 2:
default: type = PLAT; break;
}
}
}
bool ArcheQuad::split() {
if (type == PLAT)
return false;
if (std::abs(end - start) < 0.1 && std::abs(f(end) - f(start)) < 0.05)
return false;
float mid = (start + end) / 2;
Vertex n = (c[NW] + c[NE]) / 2.f;
Vertex s = (c[SE] + c[SW]) / 2.f;
addChild(new ArcheQuad(Quad(n, s, c[SW], c[NW]), height, start, mid));
addChild(new ArcheQuad(Quad(c[NE], c[SE], s, n), height, mid, end));
addChild(new ArcheQuad(Quad(n, s, c[SW], c[NW]), height, start, mid, type));
addChild(new ArcheQuad(Quad(c[NE], c[SE], s, n), height, mid, end, type));
return true;
}
@ -22,14 +32,7 @@ void ArcheQuad::triangulation() {
Quad chw = c.offsetNormal(f(start) * height * 0.9);
addGPUQuad(Quad(ch[NW], chw[NW], che[NE], ch[NE]), Couleurs::mur);
addGPUQuad(Quad(ch[SE], che[SE], chw[SW], ch[SW]), Couleurs::mur);
addGPUQuad(Quad(che[SE], che[NE], chw[NW], chw[SW]), Couleurs::cielHaut);
/*
// Doivent être dessiné par le bâtiment englobant.
if (start == 0)
addGPUQuad(Quad(c[SW], c[NW], chw[NW], chw[SW]), Couleurs::mur);
if (end == 1)
addGPUQuad(Quad(c[NE], c[SE], che[SE], che[NE]), Couleurs::mur);
*/
addGPUQuad(Quad(che[SE], che[NE], chw[NW], chw[SW]), Couleurs::mur);
}
void ArcheQuad::getBoundingBoxPoints() {
@ -37,19 +40,10 @@ void ArcheQuad::getBoundingBoxPoints() {
}
float ArcheQuad::f(float x) {
return berceau(x);
switch(hash2(seed, 0) % 2){
case 0: return ogive(x);
case 1:
default: return berceau(x);
switch(type){
case OGIVE: return std::sin(std::acos(std::abs(x - 0.5f) + 0.5f)) / std::sin(std::acos(0.5f));
case BERCEAU: return std::sin(std::acos(2*x-1));
case PLAT:
default: return 1;
}
}
float ArcheQuad::ogive(float x) {
// TODO : mettre x à l'échelle
return sin(acos(abs(x / 2.f) + 1.f/2.f));
}
float ArcheQuad::berceau(float x) {
return sin(acos(2*x-1));
}

View File

@ -6,18 +6,23 @@
// Arche du nord au sud
class ArcheQuad : public Chose {
private:
enum Type {
RANDOM,
OGIVE,
BERCEAU,
PLAT
};
Quad c;
float height;
float start;
float end;
Type type;
public:
ArcheQuad(Quad _c, float _height, float _start = 0, float _end = 1);
ArcheQuad(Quad _c, float _height, float _start = 0, float _end = 1, Type _type = RANDOM);
virtual bool split();
virtual void triangulation();
virtual void getBoundingBoxPoints();
float f(float x);
float ogive(float x);
float berceau(float x);
};
#endif

View File

@ -72,10 +72,12 @@ void BatimentQuad_::etages() {
Quad q = c; // c.insetNESW(30)
Quad qh;
for (int i = 0; i < nbEtages; i++) {
qh = q.offsetNormal(floatInRange(seed, 1+i, Dimensions::hauteurEtage*0.9f, Dimensions::hauteurEtage*1.1f));
if (i == 0 && w[N] && w[S]) {
addChild(new ArcheQuad(q, Segment(qh[NE],q[NE]).length()));
if (nbEtages > 1 && i == 0 && w[N] && w[S]) {
float h = floatInRange(seed, 1+i, Dimensions::hauteurEtage*1.4f, Dimensions::hauteurEtage*1.6f);
qh = q.offsetNormal(h);
addChild(new ArcheQuad(q, h));
} else {
qh = q.offsetNormal(floatInRange(seed, 1+i, Dimensions::hauteurEtage*0.9f, Dimensions::hauteurEtage*1.1f));
addChild(new EtageQuad(q,qh));
}
q = qh;

View File

@ -170,7 +170,7 @@ void View::mainLoop() {
short continuer = 1;
SDL_Event event;
SDL_EnableKeyRepeat(40,40);
SDL_WM_GrabInput(SDL_GRAB_OFF);
SDL_WM_GrabInput(SDL_GRAB_ON);
SDL_ShowCursor(SDL_DISABLE);
while ( SDL_PollEvent(&event) ); // empty queue.