serviere/EnginPasTangible
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tentative de camera n°532

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This commit is contained in:
Victor Lasserre 2023-03-15 08:40:50 +01:00
parent ac64911f60
commit 2376977ca7
2 changed files with 28 additions and 7 deletions
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16
main.c
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@ -16,7 +16,7 @@
* *
* For instance if you want fps and position set the value to 2*3=6 * For instance if you want fps and position set the value to 2*3=6
*/ */
#define DEBUG_MODE 1 #define DEBUG_MODE 3
GLuint screenWidth = 720, screenHeight = 480; GLuint screenWidth = 720, screenHeight = 480;
const GLFWvidmode* mode; const GLFWvidmode* mode;
@ -60,6 +60,20 @@ static void cursor_position_callback(GLFWwindow* window, double xpos, double ypo
{ {
mousePosX = xpos; mousePosX = xpos;
mousePosY = ypos; mousePosY = ypos;
/*
//if (xpos>283){ //////283=3.14/2 * 180
// //xpos=283
//}
//if (xpos<-283){
// //xpos=-283
//}
if (ypos>283){
//ypos=283
}
if (ypos<283){
//ypos=-283
}
*/
if (DEBUG_MODE % 3 == 0) if (DEBUG_MODE % 3 == 0)
printf("x:%f | y:%f\n",xpos, ypos); printf("x:%f | y:%f\n",xpos, ypos);
} }

19
shaders/quad.fs
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@ -40,7 +40,7 @@ float SDF_Circle(vec3 p,float r){
} }
float SDF_Global(vec3 p){ float SDF_Global(vec3 p){
return SDF_Box_Frame(rotate(infinity(p,vec3(2.,2.,2.)),vec3(.2*Time,.4*Time,.6*Time)),vec3(.5,.5,.5),.1);//min(SDF_Box_Frame(p,vec3(.5,.5,.5),0.1),SDF_Circle(mod(p+vec3(.5),vec3(1.,1.,1.))-vec3(.5),.15)); return SDF_Box_Frame(rotate(p,vec3(0.,.2*Time,0.)),vec3(.5,.5,.5),.1);//min(SDF_Box_Frame(p,vec3(.5,.5,.5),0.1),SDF_Circle(mod(p+vec3(.5),vec3(1.,1.,1.))-vec3(.5),.15));
} }
vec4 Get_Impact(vec3 origin,vec3 dir){//must have length(dir)==1 vec4 Get_Impact(vec3 origin,vec3 dir){//must have length(dir)==1
@ -64,7 +64,7 @@ vec3 grad(vec3 p){
vec3 Get_Color(vec3 origin,vec3 dir){ vec3 Get_Color(vec3 origin,vec3 dir){
vec4 impact = Get_Impact(origin,dir); vec4 impact = Get_Impact(origin,dir);
if(impact.w<0.) return vec3(.5,.7,1.); if(impact.w<0.) return (impact.y+1.)*.05*vec3(.5,.7,1.);
vec3 normale=grad(impact.xyz); vec3 normale=grad(impact.xyz);
vec3 sunPos=vec3(3.,3.5,.5);//vec3(3.*sin(Time*1.5),3.*cos(Time*3.),3.*cos(Time*1.5)); vec3 sunPos=vec3(3.,3.5,.5);//vec3(3.*sin(Time*1.5),3.*cos(Time*3.),3.*cos(Time*1.5));
return vec3(clamp(0.,1.,dot(sunPos-impact.xyz,normale)));//normale; return vec3(clamp(0.,1.,dot(sunPos-impact.xyz,normale)));//normale;
@ -87,10 +87,17 @@ float Mandel(vec2 co){
void main(){ void main(){
vec3 lookingAt = vec3(0.); vec3 lookingAt = vec3(0.);
vec3 posCam = vec3(2.5,2.5,2.5);//vec3(-3.*sin(Time*.15),.6*cos(Time*.15),3.*cos(Time*.15)); vec3 posCam = vec3(2.5,0.5,2.5);//vec3(-3.*sin(Time*.15),.6*cos(Time*.15),3.*cos(Time*.15));
vec3 posCam = vec3(-3.*sin(MousePos.x/400)*(1-abs(atan(MousePos.y/500))),2*atan(MousePos.y/300),3.*cos(MousePos.x/400)*(1-abs(atan(MousePos.y/500)))); //vec3 posCam = vec3(-3.*sin(MousePos.x/400)*(1-abs(atan(MousePos.y/500))),2*atan(MousePos.y/300),3.*cos(MousePos.x/400)*(1-abs(atan(MousePos.y/500))));
float pan=MousePos.x/180.;
vec3 ez = normalize(lookingAt-posCam);////base orthonormée float tilt=MousePos.y/180.;
//tilt=max(min(tilt,3.14*.45),-3.14*.45);
int parity = int(tilt/3.14-.5);
if(parity%2==1){
pan+=3.14;
}
vec3 ez = vec3(cos(tilt)*sin(pan),sin(tilt),cos(tilt)*cos(pan));//normalize(lookingAt-posCam);////base orthonormée
vec3 ex = normalize(cross(ez,vec3(0.,1.,0.))); vec3 ex = normalize(cross(ez,vec3(0.,1.,0.)));
vec3 ey = cross(ex,ez); vec3 ey = cross(ex,ez);