private void Collision_check()
{
//Collision: Enemy with base
foreach (Enemy e in enemies)
{
if (e.curve_pos >= (5000))
{
e.curve_pos = path.beginT;
p_manager = new Particle_Manager(Game1.p_textures, e.pos);
p_manager_life_length = 25;
ui.base_hp -= 1;
}
}
//Collision: Bullet with enemy
for (int i = 0; i < interactive_towers.Count; i++)
{
go_bullets = interactive_towers[i].Get_bullets();
for (int j = 0; j < go_bullets.Count; j++)
{
for (int k = 0; k < enemies.Count; k++)
{
if (go_bullets[j].hit_box.Intersects(enemies[k].hit_box))
{
enemies[k].enemy_health--;
go_bullets.RemoveAt(j);
break;
}
}
}
}
}
public void Update(RenderTarget2D layer)
{
enemy_interval--;
p_manager_life_length--;
//Calls methods
if (!enemy_wave_start)
{
Create_tower();
}
Collision_check();
//Makes enemies begin to walk along the path when enter button is hit and towers placed are >= 1:
if (Keyboard.GetState().IsKeyDown(Keys.Enter) && tower_placed_amount >= 1 && !enemy_wave_start)
{
enemy_wave_start = true;
}
//Checks if towers are dropped/placed, if enemies are >= 1 and if bullet timer <= 0. If so create bullets:
if (!tower_is_picked_up && tower_dropped && enemy_wave_start && enemy_amount >= 1)
{
foreach (Tower i in interactive_towers)
{
i.Create_bullet();
i.Update();
}
}
//Creates an enemy if enter was hit and enemy amount is less than 10
if (enemy_interval <= 0 && enemy_wave_start && !enemy_wave_full)
{
Create_enemy();
}
if (enemy_amount == 10)
{
enemy_wave_full = true;
}
//Calls Enemy class's get_path, which makes it move along the curve
foreach (Enemy e in enemies)
{
e.get_path(path);
}
//Checks if enemy health is <= 0 and remove it from the list if so
for (int i = 0; i < enemies.Count; i++)
{
if (enemies[i].enemy_health <= 0)
{
p_manager = new Particle_Manager(Game1.p_textures, enemies[i].pos);
p_manager_life_length = 25;
Game1.explosion.Play();
enemies.RemoveAt(i);
ui.enemies_killed++;
ui.score += 10;
ui.gold += 10;
enemy_amount--;
break;
}
}
//Checks if 10 enemies are killed. If so, proceed to next level
if (ui.enemies_killed == 10 && tower_placed_amount > 0 && Game1.current_state == Game1.Game_state.level1)
{
enemies.Clear();
Game1.current_state = Game1.Game_state.level2;
ui.level++;
interactive_towers.Clear();
enemy_wave_start = false;
enemy_wave_full = false;
ui.enemies_killed = 0;
enemy_amount = 0;
tower_placed_amount = 0;
graphics.SetRenderTarget(null);
Draw_rendertarget();
}
if (ui.enemies_killed >= 10 && tower_placed_amount > 0 && Game1.current_state == Game1.Game_state.level2)
{
enemies.Clear();
Game1.current_state = Game1.Game_state.level3;
ui.level++;
interactive_towers.Clear();
enemy_wave_start = false;
enemy_wave_full = false;
ui.enemies_killed = 0;
enemy_amount = 0;
tower_placed_amount = 0;
graphics.SetRenderTarget(null);
Draw_rendertarget();
}
if (ui.enemies_killed >= 10 && tower_placed_amount > 0 && Game1.current_state == Game1.Game_state.level3)
{
enemies.Clear();
Game1.current_state = Game1.Game_state.winning;
interactive_towers.Clear();
enemy_wave_start = false;
enemy_wave_full = false;
ui.enemies_killed = 0;
enemy_amount = 0;
tower_placed_amount = 0;
}
//Change to Game Over state if base HP <= 0
if (ui.base_hp <= 0)
{
Game1.current_state = Game1.Game_state.game_over;
enemies.Clear();
interactive_towers.Clear();
}
//Update instances
foreach (Tower i in interactive_towers)
{
i.Update();
}
foreach (Tower mt in menu_towers)
{
mt.Update();
}
foreach (Enemy e in enemies)
{
e.Update();
}
if (p_manager != null)
{
p_manager.Update();
}
ui.Update();
old_mouse = mouse;
}