Diff: source/bola.h

Revision:

1:2c86b5fb793a

Child:

2:292e47672dbe

diff -r bf3a78ebb2ae -r 2c86b5fb793a source/bola.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/bola.h	Sun May 17 02:06:13 2020 +0000
@@ -0,0 +1,116 @@
+#ifndef BOLA_H_
+#define BOLA_H_
+
+#include <math.h>
+#include "../globals.h"
+#include "pala.h"
+
+#ifndef M_PI
+#define M_PI           3.14159265358979323846
+#endif
+
+using namespace std;
+
+class Bola
+{
+public:
+    int x, y, w, h, speed;
+    float dirx, diry;
+    Bola(int x, int y, int w, int h, int speed) : x(x), y(y), w(w), h(h), speed(speed)
+    {
+        reset();
+    };
+    ~Bola() {};
+    void update();
+    void bordes(int *score);
+    void reset();
+    void checkPalaLeft(Pala *p);
+    void checkPalaRight(Pala *p);
+};
+
+void Bola::update()
+{
+    x += dirx;
+    y += diry;
+}
+
+void Bola::bordes(int *score)
+{
+    // condicion para el borde superior y el inferior
+    if (y < 1 || y > MAP_HEIGHT - 1) {
+        diry *= -1;
+    }
+
+    // condicion para el borde derecho
+    if (x > MAP_WIDTH -1 ) {
+        score[0]++;
+        reset();
+    }
+
+    // condicion para el borde izquierdo
+    if (x < 1) {
+        score[1]++;
+        reset();
+    }
+}
+
+void Bola::reset()
+{
+    float r = fmod(rand(), (3.14159 / 4));
+    float angulo = ((rand() % 2) + 1) > 1 ? r : -r;
+    //float angulo = fmod(rand(), (3.14159 / 4) + (-3.14159 / 4));
+    x = MAP_WIDTH / 2;
+    y = MAP_HEIGHT / 2;
+
+    //angle = 0;
+    dirx = speed * cos(angulo);
+    diry = speed * sin(angulo);
+
+    // hace que 50% de veces vaya a la der. o a la izq.
+    if (((rand() % 2) + 1) > 1) {
+        dirx *= -1;
+    }
+}
+
+void Bola::checkPalaLeft(Pala *p)
+{
+    if (
+        y < p->y + p->h &&
+        y > p->y - p->h &&
+        x < p->x + p->w) {
+        if (x > p->x) {
+            float diff = y - (p->y - p->h);
+            float rad = 45 * M_PI / 180;
+            //float angle = map(diff, 0, p->h, -rad, rad);
+            //float angle = -rad + (rad - (-rad)) * (diff / p->h);
+            float angle = (diff/p->h) * (-rad + rad) + (-rad);
+
+            dirx = speed * cos(angle);
+            diry = speed * sin(angle);
+            x = p->x + p->w;
+            //xspeed *= -1;
+        }
+    }
+}
+
+void Bola::checkPalaRight(Pala *p)
+{
+    float xpi = M_PI / 180;
+    if (y < p->y + p->h &&
+            y > p->y - p->h &&
+            x > p->x - p->w) {
+        if (x < p->x) {
+            //xspeed *= -1;
+            float diff = y - (p->y - p->h);
+            //float angle = map(diff, 0, p->h, 255 * M_PI / 180, 135 * M_PI / 180);
+            //float angle = (225 * xpi) + ((135 * xpi) - (225 * xpi)) * (diff / p->h);
+            float angle = (diff / p->h) * ((225 * xpi) - (135 * xpi)) + (135 * xpi);
+
+            dirx = speed * cos(angle);
+            diry = speed * sin(angle);
+            x = p->x - p->w;
+        }
+    }
+}
+
+#endif
\ No newline at end of file