[C++ / GrAPic] birb

#include <Grapic.h>
#include <math.h>
#include <iostream>
#include <windows.h>

// si vous vous demandez pourquoi y a tout ça là :
const float pi = 3.141592653;
struct complex { float x, y; };
complex C (float x, float y) { struct complex ret; ret.x = x; ret.y = y; return ret; }
complex C_exp (float rho, float theta) { complex ret; ret.x = rho*cos(theta); ret.y = rho*sin(theta); return ret; }
complex operator+ (complex a, complex b) { complex ret; ret.x = a.x + b.x; ret.y = a.y + b.y; return ret; }
complex operator- (complex a, complex b) { complex ret; ret.x = a.x - b.x; ret.y = a.y - b.y; return ret; }
complex operator* (float a, complex b) { complex ret; ret.x = a * b.x; ret.y = a * b.y; return ret; }
complex operator* (complex a, complex b) { complex ret; ret.x = a.x * b.x - a.y * b.y; ret.y = a.x * b.y + a.y * b.x; return ret; }
complex scale (complex p, float x, float y, float lambda) { return lambda*(p-C(x,y)); }
complex translate (complex P, float dx, float dy) { complex ret; ret = P+C(dx,dy); return ret; }
complex rotate (complex p, float x, float y, float theta) { return (p-C(x,y))*C_exp(1,theta)+C(x,y); }
void show (complex z) { std::cout << z.x << " + " << z.y << " i"; }
float abs (complex z) { return sqrt(z.x*z.x + z.y*z.y); }
float arg (complex z) { if (z.x > 0 or z.y != 0) return 2*atan(z.y/(z.x+abs(z))); else -pi; }
// c'est du bout d'code que j'ai mis dans un .h et qu'j'ai include après, du coup j'ai juste copié-collé l'contenu du header ^^'

using namespace grapic;
const int DIMW = 500;
const int MAX = 500;

struct birb {
    complex pos = C(DIMW/2,DIMW/2);
    complex lwing = C(DIMW/2-40,DIMW/2);
    complex rwing = C(DIMW/2+40,DIMW/2);
};

void draw (birb uwu) {
    color(255,255,0);
    triangleFill(uwu.pos.x,uwu.pos.y-5,uwu.pos.x,uwu.pos.y+5,uwu.lwing.x,uwu.lwing.y);
    triangleFill(uwu.pos.x,uwu.pos.y-5,uwu.pos.x,uwu.pos.y+5,uwu.rwing.x,uwu.rwing.y);
    circleFill(uwu.pos.x,uwu.pos.y,10);
}

void update (birb& uwu) {
    if (uwu.pos.y > 10) uwu.pos.y -= 0.02;
    uwu.lwing.y = uwu.pos.y;
    uwu.rwing.y = uwu.pos.y;
}

int main (int, char**) {
    bool stop = false;
    winInit("birb",DIMW,DIMW);
    backgroundColor(100,50,200);
    birb uwu;
    float keyPressTime = elapsedTime();
    while (!stop) {
        winClear();
        draw(uwu);
        update(uwu);
        if (isKeyPressed(SDLK_UP) or elapsedTime() < keyPressTime) {
            uwu.lwing = rotate(C(DIMW/2-40,uwu.pos.y),uwu.pos.x,uwu.pos.y,(20*cos(5*elapsedTime()+pi))*pi/180);
            uwu.rwing = rotate(C(DIMW/2+40,uwu.pos.y),uwu.pos.x,uwu.pos.y,(20*cos(5*elapsedTime()))*pi/180);
            keyPressTime = elapsedTime()+0.002;
            if (uwu.pos.y < DIMW-10)   uwu.pos.y += 0.1;
        }
        stop = winDisplay();
    }
    pressSpace();
    winQuit();
    return 0;
}