Änderungen von letzter Stunde

Ich konnte nicht während des Unterrichts pushen.
Dieser Commit enthält die Änderungen,
von Nextcloud kopiert

mario-kart/aufgabe3.md

@@ -0,0 +1,18 @@
+```mermaid
+classDiagram
+    class Item {
+        count: int
+        kind: int
+        inc(amount: int) None
+    }
+
+    class Kart {
+        speed_max: int
+        color: String
+        ram(other: Kart) None
+        consume_item(item: Item) None
+    }
+```
+
+- Die Methode `inc(amount)` der Klasse `Item` ändert das Attribut `.count` um die eingegebene Zahl.
+- Die Methode `ram(other)` in `Kart` tauscht die Geschwindigkeiten der beiden gegebenen Karts.

mario-kart/input.py

@@ -0,0 +1,39 @@
+import pygame
+
+class Input:
+    def __init__(self):
+        self.left: bool = False
+        self.right: bool = False
+        self.down: bool = False
+        self.up: bool = False
+        self.close: bool = False
+
+    def poll(self) -> None:
+        events = pygame.event.get()
+        for event in events:
+            if event.type == pygame.QUIT:
+                self.close = True
+            if event.type == pygame.KEYDOWN:
+                if event.key == pygame.K_LEFT:
+                    self.left = True
+                if event.key == pygame.K_RIGHT:
+                    self.right = True
+                if event.key == pygame.K_UP:
+                    self.up = True
+                if event.key == pygame.K_DOWN:
+                    self.down = True
+            if event.type == pygame.KEYUP:
+                if event.key == pygame.K_LEFT:
+                    self.left = False
+                if event.key == pygame.K_RIGHT:
+                    self.right = False
+                if event.key == pygame.K_UP:
+                    self.up = False
+                if event.key == pygame.K_DOWN:
+                    self.down = False
+
+    def horizontal(self) -> float:
+        return self.right - self.left
+
+    def vertical(self) -> float:
+        return self.down - self.up

mario-kart/items.py

@@ -0,0 +1,11 @@
+ITEM_MUSHROOM = 0
+ITEM_BANANA = 1
+
+
+class Item:
+    def __init__(self):
+        self.kind = 0
+        self.count = 0
+
+    def inc(self, value):
+        self.count += value

mario-kart/kart.py

@@ -0,0 +1,52 @@
+from typing import Self, override
+
+import items
+import pygame
+from input import Input
+from items import Item
+from pygame.math import clamp
+
+Vec2 = pygame.Vector2
+
+class Kart:
+    def __init__(self, name: str, pos: Vec2, vel: Vec2, dir: float, speed_max: float):
+        self.name: str = name
+        self.pos: Vec2 = pos
+        self.vel: Vec2 = vel
+        self.dir: float = dir
+        self.speed_max: float = speed_max
+
+    @override
+    def __str__(self) -> str:
+        return f"Kart {{ name: {self.name}, pos: {self.pos}, vel: {self.vel}, dir: {self.dir}, speed_max: {self.speed_max}}}"
+
+    def tick(self, input: Input):
+        input_x = input.horizontal()
+        input_y = input.vertical()
+        assert abs(input_x) <= 1
+        assert abs(input_y) <= 1
+
+        acc_amount = input_y * 2
+        self.vel += Vec2(acc_amount, 0).rotate(self.dir)
+        self.vel *= 0.9
+        steer = input_x * 2
+        self.dir += steer
+
+        self.vel.clamp_magnitude_ip(self.speed_max)
+        self.pos += self.vel
+
+    def ram(self, other: Self):
+        """
+        swap the two kart's velocities (not physically accurate)
+        """
+        temp = self.vel
+        self.vel = other.vel
+        other.vel = temp
+
+    def consume_item(self, item: Item):
+        if item.kind == items.ITEM_BANANA:
+            self.speed_max += 0.01
+        elif item.kind == items.ITEM_BANANA:
+            self.speed_max -= 0.01
+
+        self.speed_max = clamp(self.speed_max, 0, 100)

mario-kart/main.py

@@ -0,0 +1,55 @@
+import pygame
+
+from input import Input
+from kart import Kart
+
+Vec2 = pygame.Vector2
+
+kart_image = pygame.surface.Surface((10, 10))
+
+player = Kart(
+    name = "epsilon",
+    pos = Vec2(0, 0),
+    vel = Vec2(2, 0),
+    dir = 0,
+    speed_max = 3,
+)
+
+clock = pygame.Clock()
+
+def main():
+    pygame.init()
+
+    input = Input()
+    width, height = 800, 600
+    screen = pygame.display.set_mode((width, height))
+    pygame.display.set_caption("Pygame Window Example")
+
+    kart = Kart(
+        name = "jerry",
+        pos = Vec2(0.0, 0.0),
+        vel = Vec2(0.0, 0.0),
+        dir = 0.0,
+        speed_max = 10.0
+    )
+
+
+    while not input.close:
+        input.poll()
+        kart.tick(input)
+
+        # Draw game:
+        screen.fill((0, 125, 0))
+        pygame.draw.rect(screen, (255, 0, 0), pygame.Rect(kart.pos.x - 5, kart.pos.y - 5, 5, 5))
+        pygame.draw.line(screen, (0, 0, 0), kart.pos, kart.pos + Vec2(100, 0).rotate(kart.dir))
+
+        pygame.draw.rect(screen, (0, 0, 255), pygame.Rect(kart.pos.x - 5, kart.pos.y - 5, 5, 5))
+        pygame.draw.line(screen, (0, 0, 0), kart.pos, kart.pos + Vec2(100, 0).rotate(kart.dir))
+
+        pygame.display.flip()
+
+        clock.tick(60)
+
+
+if __name__ == "__main__":
+    main()