fix default back speed

fix default back speed

keys.c

@@ -27,6 +27,15 @@ int key_pressed(KeyControl key)
         return IsKeyPressed(keys[key]);
 }
 
+int key_released(KeyControl key)
+{
+    // NOTE: mouse button id's are less than 6, keyboard id's are over 32
+    if (keys[key] <= 6)
+        return IsMouseButtonReleased(keys[key]);
+    else
+        return IsKeyReleased(keys[key]);
+}
+
 void change_layout_azerty()
 {
     keys[KC_UP]    = KEY_S;

keys.h

@@ -24,4 +24,6 @@ int key_down(KeyControl key);
 
 int key_pressed(KeyControl key);
 
+int key_released(KeyControl key);
+
 #endif // KEYS_H

main.c

@@ -125,6 +125,8 @@ int main(void)
 
             Camera2D effect_camera = camera;
             effect_camera.offset = Vector2Add(effect_camera.offset, cam_shake);
+            if (player_type == PLAYER_MINIGUN)
+                process_minigun(Vector2Add(SCREEN_MIDDLE, cam_shake), &camera, &effect_camera);
             BeginMode2D(effect_camera);
             {
                 DrawTexture(map.texture, map.box.x, map.box.y, WHITE);

minigun.c

@@ -6,6 +6,9 @@
 
 Texture minigun_texture;
 
+#define DEFAULT_BACK_SPEED 5
+float back_speed = DEFAULT_BACK_SPEED;
+
 void load_minigun()
 {
     minigun_texture = LoadTexture("data/minigun.png");
@@ -16,9 +19,34 @@ float minigun_radius()
     return fmax(minigun_texture.width, minigun_texture.height)/2;
 }
 
+void process_minigun(Vector2 pos, Camera2D *real_cam, Camera2D *effect_cam)
+{
+    if (key_down(KC_SPECIAL)) {
+        int force = 5;
+        effect_cam->offset.x += GetRandomValue(-force/2, force/2);
+        effect_cam->offset.y += GetRandomValue(-force/2, force/2);
+    }
+    else if (key_down(KC_SHOOT)) {
+        back_speed += GetFrameTime() * 1.2;
+        if (back_speed >= 25)
+            back_speed  = 25;
+        float angle = -Vector2LineAngle(pos, GetMousePosition());
+        angle *= 180/PI;
+        Vector2 world = GetScreenToWorld2D(pos, *real_cam);
+        Vector2 toward = Vector2Normalize((Vector2) {cos(angle * PI/180), sin(angle * PI/180)});
+        real_cam->target = Vector2Subtract(world, Vector2Scale(toward, back_speed));
+
+        bullet_spawn(BULLET_MINIGUN, Vector2Subtract(world, Vector2Scale(toward, 5*1.0)), angle);
+        bullet_spawn(BULLET_MINIGUN, Vector2Subtract(world, Vector2Scale(toward, 5*6.0)), angle);
+    }
+    if (key_down(KC_SPECIAL) || !key_down(KC_SHOOT)) {
+        back_speed = DEFAULT_BACK_SPEED;
+    }
+}
+
 void draw_minigun(Vector2 pos, Camera2D *cam)
 {
-
+    (void) cam;
     Texture m = minigun_texture;
     Rectangle source = {0, 0, m.width, m.height};
     Rectangle dest = {pos.x, pos.y, m.width, m.height};
@@ -26,15 +54,8 @@ void draw_minigun(Vector2 pos, Camera2D *cam)
     float angle = -Vector2LineAngle(pos, GetMousePosition());
     angle *= 180/PI;
 
-    if (key_down(KC_SHOOT)) {
-        int speed = 5;
-        Vector2 world = GetScreenToWorld2D(pos, *cam);
-        Vector2 toward = Vector2Normalize((Vector2) {cos(angle * PI/180), sin(angle * PI/180)});
-        cam->target = Vector2Subtract(world, Vector2Scale(toward, speed));
-
-        bullet_spawn(BULLET_MINIGUN, Vector2Subtract(world, Vector2Scale(toward, speed*1.0)), angle);
-        bullet_spawn(BULLET_MINIGUN, Vector2Subtract(world, Vector2Scale(toward, speed*6.0)), angle);
-    }
+    if (key_down(KC_SPECIAL))
+        DrawLineEx(pos, GetMousePosition(), 10, RED);
 
     DrawTexturePro(m, source, dest, origin, angle + 90, WHITE);
 }

minigun.h

@@ -5,6 +5,8 @@ void load_minigun();
 
 float minigun_radius();
 
+void process_minigun(Vector2 pos, Camera2D *real_cam, Camera2D *effect_cam);
+
 void draw_minigun(Vector2 pos, Camera2D *cam);
 
 float minigun_dash_time();