Diff: game/game.cpp

Revision:

16:b7d0cac561cc

Parent:

15:0145c5f0bea1

Child:

17:69a85c909566

--- a/game/game.cpp	Mon Mar 18 15:22:20 2019 +0000
+++ b/game/game.cpp	Mon Mar 18 21:26:12 2019 +0000
@@ -11,10 +11,15 @@
 int x_ship_pos = 0;
 int y_ship_pos = 24;
 int small_star_delay = 0;
+int enemy_blast_delay = 0;
+int game_score = 0;
 
 const int ship_speed = 2;
 const int small_star_delay_max = 3;
+const int enemy_blast_delay_max = 5;
 
+int player_lifes = 3;
+bool game_over = false;
 
 struct GameObject {
     int x;
@@ -29,6 +34,7 @@
 
 #define MAX_BLASTS (5)
 GameObject blasts[MAX_BLASTS];
+GameObject enemy_blasts[MAX_BLASTS];
 const float blast_collision_radius = 1;
 const float blast_collision_offset_x = 1;
 const float blast_collision_offset_y = 0;
@@ -45,8 +51,6 @@
 const float enemy_collision_offset_x = 5;
 const float enemy_collision_offset_y = 3;
 
-int game_score = 0;
-
 
 GameObject player;
 
@@ -113,6 +117,38 @@
     }
 }
 
+void fireNewEnemyBlast() {
+    // Search the array of blasts if inactive we can use it.
+    int found = -1;
+    for (int i = 0; i < MAX_BLASTS; ++i) {
+        if (!enemy_blasts[i].active) {
+            found = i;
+            break;
+        }
+    }
+    
+    if (found != -1) {                              ///////////////////////////////////////////////////
+        enemy_blasts[found].active = true;
+        enemy_blasts[found].x = enemies[found].x;
+        enemy_blasts[found].y = enemies[found].y + (enemy2_height/2);
+    }
+}
+
+void updateAndDrawEnemyBlasts() {
+    const int blast_speed = 5;
+    for (int i = 0; i < MAX_BLASTS; ++i) {
+        if (enemy_blasts[i].active) {
+            enemy_blasts[i].x -= blast_speed;
+            if (enemy_blasts[i].x <= -1){
+                enemy_blasts[i].active = false;
+            }
+            lcd.setPixel(enemy_blasts[i].x, enemy_blasts[i].y, 1);
+            lcd.setPixel(enemy_blasts[i].x-1, enemy_blasts[i].y, 1);
+            lcd.setPixel(enemy_blasts[i].x-2, enemy_blasts[i].y, 1);
+        }
+    }
+}
+
 void fireNewBlast() {
     // Search the array of blasts if inactive we can use it.
     int found = -1;
@@ -132,10 +168,10 @@
 
 inline bool circleCollideTwoObjects(
     int x1, int y1, float r1, float offset_x1, float offset_y1,
-    int x2, int y2, float r2, float offset_x2, float offset_y2
-) {
-    int distance = pow((x1 + offset_x1) - (x2 + offset_x2), 2) + pow((y1 + offset_y1) - (y2 + offset_y2), 2);
-    return distance <= pow(r1 + r2, 2);
+    int x2, int y2, float r2, float offset_x2, float offset_y2) {
+        
+        int distance = pow((x1 + offset_x1) - (x2 + offset_x2), 2) + pow((y1 + offset_y1) - (y2 + offset_y2), 2);
+        return distance <= pow(r1 + r2, 2);
 }
 
 void collideEnemiesAndBlasts() {
@@ -248,12 +284,29 @@
 }
 
 void highScore(){
+    
     char buffer[4];
     sprintf(buffer," Score: %i",game_score);
-    //printf(buffer);
     lcd.printString(buffer,0,0);    
 }
 
+void playerLivesRemain(){////////////////////////////////////////////////////////////////////////////////
+       if (player_lifes == 3){
+            // all 3 LEDs lit (six total)
+        }
+        if (player_lifes == 2){
+            // only yelow and red are lit (to tal 4)
+        }
+        if (player_lifes == 1){
+            // red LED is lit and flashes.
+        }
+        else {
+            // all LEDs are flashing
+            game_over = true;
+        }
+    
+}
+
 bool Game::updateAndDraw() {
 
     shipMovment();
@@ -273,11 +326,21 @@
         small_star_delay += 1;
     }
     
+    if  (enemy_blast_delay == enemy_blast_delay_max){ 
+        
+        fireNewEnemyBlast();
+        enemy_blast_delay = 0;
+    }
+    else {
+        enemy_blast_delay += 1;
+    }
+    
     updateAndDrawBlasts();
     updateAndDrawSmallStars();
     updateAndDrawMediumStars();
     updateAndDrawEnemies();
     collideEnemiesAndBlasts();
+    updateAndDrawEnemyBlasts();
     highScore();
     
     lcd.drawSpriteOnTop(x_ship_pos, y_ship_pos, spaceship1_width, spaceship1_height, (int *)spaceShip1);