Merge pull request #15 from eliasmorio/asteroides-spawn

 implement asteroid spawn

Applications/Asteroids/Game.cpp

@@ -38,6 +38,15 @@ void Game::init() {
     asteroids.add(new Asteroid(FIXED(150, 1), FIXED(100, 1), FIXED(-1, -1), FIXED(3, 10), AsteroidSize::LARGE));
     asteroids.add(new Asteroid(FIXED(180, 1), FIXED(125, 1), FIXED(1, 1), FIXED(1, 1), AsteroidSize::LARGE));
 
+    const int32_t safeZoneRadius = 80;
+
+    for (int i = 0; i < asteroids.getSize(); ++i) {
+        while (Physics::checkCollision(playerShip->getPosition(), safeZoneRadius, asteroids.get(i)->getPosition(), asteroids.get(i)->getRadius())) {
+            Vec2 newPosition(FIXED(random(0, 319), 1), FIXED(random(0, 179), 1));
+            asteroids.get(i)->setPosition(newPosition);
+        }
+    }
+
     score = 0;
     lives = 3;
     level = 1;
@@ -155,8 +164,7 @@ void Game::drawEntity(Entity* entity) {
     } else {
         draw_sprite(sprite->pixels, sprite->width, sprite->height, px, py);
     }
-    
-    //drawHitbox(position, entity->getRadius(), 0xFF);
+    // drawHitbox(position, entity->getRadius(), 0xFF);
 }
 
 void Game::update() {

Applications/Asteroids/utils.cpp

@@ -31,4 +31,11 @@ void intToStr(int num, char* str) {
         str[j] = str[k];
         str[k] = temp;
     }
+}
+
+static unsigned int seed = 12345; // Seed for the random number generator
+
+int random(int min, int max) {
+    seed = (1103515245 * seed + 12345) % 2147483648; // Linear Congruential Generator
+    return min + (seed % (max - min + 1));
 }
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Applications/Asteroids/utils.h

@@ -4,4 +4,6 @@
 // Function to convert an integer to a string without using std library
 void intToStr(int num, char* str);
 
+int random(int min, int max);
+
 #endif // UTILS_H
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