CPong vAlpha by xerpi

#include <stdio.h>
#include <math.h>
#include <oslib/oslib.h>

PSP_MODULE_INFO("CPong by xerpi", 0, 1, 1);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);


typedef struct{
float x,y,w,h,speed;
int color,score;
}Raquet;

struct{
float x,y,w,h,inc_x,inc_y,angle,speed;
int color;
}ball;

struct{
float x,y,x2,y2;
int color;
}limit;

typedef struct{
float x,y,w,h;
int color;
}Goal;

Raquet raquet1,raquet2;
Goal goal1,goal2;

int randomer(int from, int until);
void move_raquets();
void move_ball();
void blit_all();
void ball_update();
void ball_reset();
void collisions();
int coli(float x1,float y1,float w1,float h1,float x2,float y2,float w2,float h2);

int main(){
    oslInit(0);
    oslInitGfx(OSL_PF_8888, 1);
    oslInitConsole();

    //Limit
        limit.x = 10;
        limit.y = 10;
        limit.x2 = 470;
        limit.y2 = 262;
        limit.color = RGB(255,255,255);
    //Raquet
        //Raquet 1
            raquet1.x = 11;
            raquet1.y = 121;
            raquet1.w = 5;
            raquet1.h = 30;
            raquet1.speed = 4;
            raquet1.color = RGB(255,0,0);
        //Raquet 2
            raquet2.x = 464;
            raquet2.y = 121;
            raquet2.w = 5;
            raquet2.h = 30;
            raquet2.speed = 4;
            raquet2.color = RGB(255,0,0);
    //Goal
        //Goal 1
            goal1.x = 0;
            goal1.y = 101;
            goal1.w = 10;
            goal1.h = 70;
            goal1.color = RGB(0,255,0);
        //Goal 2
            goal2.x = 470;
            goal2.y = 101;
            goal2.w = 10;
            goal2.h = 70;
            goal2.color = RGB(0,255,0);
    //Ball
        ball.w = 10;
        ball.h = 10;
        ball.color = RGB(0,0,255);
        ball_reset();
        ball_update();

    while (!osl_quit){
        oslStartDrawing();
        oslReadKeys();
        oslCls();
        //oslPrintf_xy(5,5,"Score: %i",score);


        move_raquets();
        move_ball();
        collisions();
        blit_all();




        oslEndDrawing();
        oslSyncFrame();

    }
    oslEndGfx();
    oslQuit();
    return 0;
}

// Randomer: Create a random number
    int randomer(int from, int until) {
        // Save random number
        int random_value;
        // Set random value
        random_value = rand()%(until-from+1) + from;

        return random_value;
    }

    void blit_all(){
        //Score
            oslPrintf_xy(120,0,"%i",raquet1.score);
            oslPrintf_xy(360,0,"%i",raquet2.score);
        //Raquets
            oslDrawFillRect(raquet1.x, raquet1.y, raquet1.x+raquet1.w, raquet1.y+raquet1.h, raquet1.color);
            oslDrawFillRect(raquet2.x, raquet2.y, raquet2.x+raquet2.w, raquet2.y+raquet2.h, raquet2.color);
        //Goals
            oslDrawFillRect(goal1.x, goal1.y, goal1.x+goal1.w, goal1.y+goal1.h, goal1.color);
            oslDrawFillRect(goal2.x, goal2.y, goal2.x+goal2.w, goal2.y+goal2.h, goal2.color);
        //Limits
            oslDrawRect(limit.x, limit.y, limit.x2, limit.y2, limit.color);
        //Ball
            oslDrawFillRect(ball.x, ball.y, ball.x+ball.w, ball.y+ball.h, ball.color);
    }

    void ball_reset(){
        ball.x = 235;
        ball.y = 131;
        ball.speed = 5;
        ball.angle = randomer(0,314159)/100000;
    }

    void ball_update(){
        ball.inc_x = cos(ball.angle);
        ball.inc_y = sin(ball.angle);
    }

    void move_raquets(){
        //Raquet 1
            if (osl_keys->held.up) {
                raquet1.y -= raquet1.speed;
                if(raquet1.y < limit.y) raquet1.y = limit.y;
            }else if(osl_keys->held.down) {
                raquet1.y += raquet1.speed;
                if((raquet1.y + raquet1.h) > limit.y2) raquet1.y = (limit.y2-raquet1.h);
            }
        //Raquet 2
            if (osl_keys->held.triangle) {
                raquet2.y -= raquet2.speed;
                if(raquet2.y < limit.y) raquet2.y = limit.y;
            }else if(osl_keys->held.cross) {
                raquet2.y += raquet2.speed;
                if((raquet2.y + raquet2.h) > limit.y2) raquet2.y = (limit.y2-raquet2.h);
            }
        }

    void move_ball(){
        ball.speed += 0.001;
        ball.x += ball.inc_x*ball.speed;
        ball.y += ball.inc_y*ball.speed;
        if( (ball.y < limit.y) || ( (ball.y+ball.h) > limit.y2) ) ball.inc_y *= -1;
        if( (ball.x < limit.x) || ( (ball.x+ball.w) > limit.x2) ) ball.inc_x *= -1;
    }

    void collisions(){
        //Ball-raquet
            //Raquet 1
                if ( coli(raquet1.x,raquet1.y,raquet1.w,raquet1.h,ball.x,ball.y,ball.w,ball.h) ){
                    ball.inc_x *= -1;
                    ball.x = raquet1.x + raquet1.w+1;
                }
            //Raquet 2
                if ( coli(raquet2.x, raquet2.y, raquet2.w,raquet2.h,ball.x,ball.y,ball.w,ball.h) ){
                    ball.inc_x *= -1;
                    ball.x = raquet2.x - ball.w-1;
                }
        //Ball-goal
            //Goal 1
                if ( coli( goal1.x, goal1.y, goal1.w,goal1.h,ball.x,ball.y,ball.w,ball.h) ){
                    raquet2.score++;
                    ball_reset();
                }
            //Goal 2
                if ( coli( goal2.x, goal2.y, goal2.w,goal2.h,ball.x,ball.y,ball.w,ball.h) ){
                    raquet1.score++;
                    ball_reset();
                }

    }

    int coli(float x1,float y1,float w1,float h1,float x2,float y2,float w2,float h2){
        if( (x1 + w1 >= x2) && (x1 <= x2+w2)  && (y1 + h1 >= y2) && (y1 <= y2+h2) ) return 1;
        return 0;
    }