Add tanks battle game

.gitignore

@@ -3,6 +3,7 @@
 
 # virutalenv directories
 /env*/
+/venv*/
 
 # coverage files
 .coverage

requirements.txt

@@ -1 +1 @@
--e .
+-e .

src/freegames/tanks.py

@@ -0,0 +1,143 @@
+
+"""
+Tank Battle Game
+
+Exercises:
+
+1. Change the colors of the tanks and bullets.
+2. Adjust the frame rate to make the game faster or slower.
+3. Modify the speed of the bullets.
+4. Add more obstacles or rearrange their positions.
+5. Increase or decrease the tank's movement speed.
+6. Implement a power-up system (e.g., extra bullets or health).
+7. Create a scoring system to track wins.
+8. Allow multiple players (up to 4 tanks).
+9. Add a second bullet type with different behaviors.
+"""
+
+from turtle import *
+from freegames import vector
+from math import cos, sin, radians
+
+class Tank:
+    def __init__(self, x, y, color, controls):
+        self.position = vector(x, y)
+        self.speed = vector(0, 0)
+        self.color = color
+        self.controls = controls
+        self.direction = 90  # Start direction (up)
+        self.hp = 3
+        self.bullets = []
+
+        self.body = Turtle()
+        self.body.shape("square")
+        self.body.color(color)
+        self.body.shapesize(1.5, 1)
+        self.body.penup()
+        self.body.goto(x, y)
+
+        self.gun = Turtle()
+        self.gun.shape("square")
+        self.gun.color("black")
+        self.gun.shapesize(0.5, 0.2)
+        self.gun.penup()
+        self.update_gun()
+
+    def update_gun(self):
+        self.gun.goto(self.position.x + 15 * cos(radians(self.direction)),
+                     self.position.y + 15 * sin(radians(self.direction)))
+        self.gun.setheading(self.direction)
+
+    def move(self):
+        new_pos = self.position + self.speed
+        if -200 < new_pos.x < 200 and -200 < new_pos.y < 200 and self.valid_position(new_pos):
+            self.position = new_pos
+            self.body.goto(self.position.x, self.position.y)
+            self.update_gun()
+
+    def change_speed(self, dx, dy, angle=None):
+        self.speed.x, self.speed.y = dx, dy
+        if angle is not None:
+            self.direction = angle
+
+    def shoot(self):
+        bullet = vector(self.position.x + 15 * cos(radians(self.direction)),
+                        self.position.y + 15 * sin(radians(self.direction)))
+        direction = vector(cos(radians(self.direction)), sin(radians(self.direction))) * 15  # Increased bullet speed
+        bullet_turtle = Turtle()
+        bullet_turtle.shape("circle")
+        bullet_turtle.color(self.color)
+        bullet_turtle.shapesize(0.2, 0.2)
+        bullet_turtle.penup()
+        bullet_turtle.goto(bullet.x, bullet.y)
+        self.bullets.append((bullet, direction, bullet_turtle))
+
+    def valid_position(self, pos):
+        for obstacle in obstacles:
+            if obstacle.distance(pos.x, pos.y) < 20:
+                return False
+        return True
+
+    def hit(self):
+        self.hp -= 1
+        print(f"{self.color} tank HP: {self.hp}")
+        if self.hp <= 0:
+            self.body.hideturtle()
+            self.gun.hideturtle()
+            return True
+        return False
+
+screen = Screen()
+screen.setup(420, 420)
+screen.tracer(False)
+
+# Create map
+obstacles = []
+for x, y in [(-100, 50), (50, -50), (0, 100)]:
+    obs = Turtle()
+    obs.shape("square")
+    obs.color("gray")
+    obs.penup()
+    obs.goto(x, y)
+    obstacles.append(obs)
+
+tank1 = Tank(-150, 0, 'blue', {'up': 'w', 'down': 's', 'left': 'a', 'right': 'd', 'shoot': 'e'})
+tank2 = Tank(150, 0, 'red', {'up': 'Up', 'down': 'Down', 'left': 'Left', 'right': 'Right', 'shoot': 'Return'})
+
+def setup_controls(tank, controls):
+    onkey(lambda: tank.change_speed(0, 10, 90), controls["up"])
+    onkey(lambda: tank.change_speed(0, -10, 270), controls["down"])
+    onkey(lambda: tank.change_speed(-10, 0, 180), controls["left"])
+    onkey(lambda: tank.change_speed(10, 0, 0), controls["right"])
+    onkey(tank.shoot, controls["shoot"])
+
+setup_controls(tank1, tank1.controls)
+setup_controls(tank2, tank2.controls)
+
+def update():
+    tank1.move()
+    tank2.move()
+
+    for tank in (tank1, tank2):
+        new_bullets = []
+        for bullet, direction, bullet_turtle in tank.bullets:
+            bullet.move(direction)
+            if -200 < bullet.x < 200 and -200 < bullet.y < 200:
+                bullet_turtle.goto(bullet.x, bullet.y)
+                new_bullets.append((bullet, direction, bullet_turtle))
+
+                target = tank2 if tank == tank1 else tank1
+                if abs(bullet - target.position) < 10 and target.hit():
+                    print(f"{target.color} tank destroyed!")
+                    bullet_turtle.hideturtle()
+                    return
+            else:
+                bullet_turtle.hideturtle()
+        tank.bullets = new_bullets
+
+    screen.update()
+    ontimer(update, 50)
+
+listen()
+update()
+done()