game: add: vector colision (Not work)

games/config.py

@@ -12,7 +12,7 @@ MAP_CENTER_Y = MAP_SIZE_Y / 2
 WALL_RATIO = 1
 
 BALL_SPEED_INC = 1
-BALL_SPEED_START = 1
+BALL_SPEED_START = 170
 BALL_SIZE = 4
 BALL_SPAWN_POS_X = MAP_SIZE_X / 2
 BALL_SPAWN_POS_Y = MAP_SIZE_Y / 2

games/objects/Ball.py

@@ -1,23 +1,28 @@
+from __future__ import annotations
+
 from .. import config
 
+from .Point import Point
+
+import math
 class Ball:
     
     def __init__(self) -> None:
-        self.postion_x: float = config.BALL_SPAWN_POS_X
-        self.postion_y: float = config.BALL_SPAWN_POS_Y
-        self.velocity_x: float = config.BALL_SPEED_START
-        self.velocity_y: float = config.BALL_SPEED_START
         self.size: float = config.BALL_SIZE
+        self.position: Point = Point(config.BALL_SPAWN_POS_X + self.size / 2, config.BALL_SPAWN_POS_Y + self.size / 2)
+        self.angle: float = math.pi * 0
+        self.speed: float = config.BALL_SPEED_START
     
     def to_dict(self):
         
         data: dict = {
             "size": self.size,
-            "position_x": self.postion_x,
-            "position_y": self.postion_y,
-            "velocity_x": self.velocity_x,
-            "velocity_y": self.velocity_y,
+            "speed": self.speed,
+            "position": self.position.to_dict(),
+            "angle": self.angle,
         }
         
         return data
-        
+    
+    def __str__(self) -> str:
+        return f"Ball(size: {self.size}, speed: {self.speed}, director_coefficient: {self.director_coefficient}, ordinate_at_origin: {self.ordinate_at_origin}, position: {self.position})"

games/objects/Game.py

@@ -44,8 +44,8 @@ class Game(AbstractRoom):
 
             angle: float = (i * 2 * math.pi / nb_sides) + (math.pi * 3 / nb_sides)
 
-            x: float = config.MAP_CENTER_X + radius * math.cos(angle)
-            y: float = config.MAP_CENTER_Y + radius * math.sin(angle)
+            x: float = round(config.MAP_CENTER_X + radius * math.cos(angle))
+            y: float = round(config.MAP_CENTER_Y + radius * math.sin(angle))
             
             polygon.append(Point(x, y))
         

games/objects/Point.py

@@ -1,11 +1,28 @@
+from __future__ import annotations
 
-
+from math import dist
 class Point:
     
     def __init__(self, x: float, y: float) -> None:
         self.x = x
         self.y = y
+    
+    def __str__(self) -> str:
+        return f"Point(x: {self.x}, y: {self.y})"
+    
+    def __repr__(self) -> str:
+        return f"Point(x: {self.x}, y: {self.x})"
+    
+    def __eq__(self, __value: object) -> bool:
+        return (self.x == __value.x and self.y == __value.y)
+    
+    def distance(self, point: Point):
+        return dist((point.x, point.y), (self.x, self.y))
+    
+    def copy(self):
         
+        return Point(self.x, self.y)
+    
     def to_dict(self):
         
         data: dict[str: float] = {

games/objects/Segment.py

@@ -1,12 +1,20 @@
 
 from .Point import Point
 
+import math
 class Segment:
     
     def __init__(self, start: Point, stop: Point) -> None:
         self.start: Point = start
         self.stop: Point = stop
-        
+        self.length: float = math.dist((self.start.x, self.start.y), (self.stop.x, self.stop.y))
+    
+    def __repr__(self) -> str:
+        return f"Segment(start: {self.start}, stop: {self.stop})"
+    
+    def __str__(self) -> str:
+        return f"Segment(start: {self.start}, stop: {self.stop})"
+    
     def to_dict(self):
         
         data: dict[str: dict] = {

games/objects/Vector.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+import math
+from .Point import Point
+
+class Vector:
+
+    def __init__(self, x: float, y: float) -> None:
+        self.norm: float = math.dist((0, 0), (x, y))
+        self.x: float = x
+        self.y: float = y
+
+    def __truediv__(self, denominator: float):
+        return Vector(self.x / denominator, self.y / denominator)
+    
+    def angle(self, vector: Vector):
+        scalar_product: float = self.scalar(vector)
+        if (scalar_product is None):
+            return None
+        cos: float = scalar_product / (vector.norm * self.norm)
+        
+        angle: float = math.acos(cos)
+        
+        return angle
+
+    def scalar(self, vector: Vector):
+        return self.x * vector.x + vector.y * self.y
+    
+    def __str__(self) -> str:
+        return f"Vector(x: {self.x}, y: {self.y}, norme: {self.norm})"
+    
+    def __eq__(self, __value: Vector) -> bool:
+        return (self.x == __value.x and
+                self.x == __value.x and 
+                self.norm == __value.norm)

games/routine.py

@@ -9,73 +9,99 @@ if TYPE_CHECKING:
     from .objects.Ball import Ball
 
 from .objects.Point import Point
+from .objects.Vector import Point
 from .objects.Segment import Segment
+from .objects.Vector import Vector
 
 from . import config
 
 import math
+import asyncio
+
+from asgiref.sync import SyncToAsync
+
 from time import sleep
 
-#see the video to understand the algorithme
-#https://www.youtube.com/watch?v=KOYoMYWUTEo
-def determine_director_coefficient(segment: Segment):
-    return ((segment.start.y - segment.stop.y) / (segment.start.x - segment.stop.x))
+def get_sign(num: float):
+    return 1 if num >= 0 else -1
 
-def determine_ordinate_at_origin(point: Point, director_cofficient: float):
-    return point.y - point.x * director_cofficient
+def get_impact_point(segments: list[Segment], ball: Ball):
 
-def determine_intersection(director_coefficient1: float, ordinate_at_origin1: float, director_coefficient2: float, ordinate_at_origin2: float):
-    if (director_coefficient1 == director_coefficient2):
-        return None
-    return (ordinate_at_origin1 + ordinate_at_origin2) / (director_coefficient1 + director_coefficient2)
+    angle_radian: float = ball.angle * math.pi / 180
 
-def determine_intersections(ball: Ball, segments: list[Segment]):
-    
-    intersections: list[Point] = []
+    direction_vector: Vector = Vector(math.cos(angle_radian), math.sin(angle_radian))
+
+    x: float = ball.position.x
+    if (direction_vector.x > 0):
+        x = x + ball.size / 2
+    elif (direction_vector.x < 0):
+        x = x - ball.size / 2
     
+    y: float = ball.position.y
+    if (direction_vector.y > 0):
+        y = y + ball.size / 2
+    elif (direction_vector.y < 0):
+        y = y - ball.size / 2
+
+    position: Point = Point(x, y)
+
     for segment in segments:
         
-        # form m * x + p
-        m: float = determine_director_coefficient(segment)
-        p: float = determine_ordinate_at_origin(segment.start, m)
+        segment_vector: Vector = Vector(segment.start.x - segment.stop.x, segment.start.y - segment.stop.y)
+        segment_vector_unit = segment_vector / segment_vector.norm
         
-        x: float = determine_intersection(m, p, ball.velocity_y, 0)
+        scalar: float = segment_vector_unit.scalar(direction_vector)
         
-        if (x is None):
-            continue      
-        
-        y: float = m * x + p
-        
-        intersections.append(Point(x, y))
+        if (scalar < 0.01):
+            continue
 
-    return intersections
+        print(segment_vector, segment_vector_unit, direction_vector)
+        
+        distance: float = scalar * segment_vector.norm / 2
+        
+        impact_x: float = position.x + distance * direction_vector.x
+        
+        impact_y: float = position.y + distance * direction_vector.y
+        
+        impact: Point = Point(impact_x, impact_y)
+        
+        print("impact", impact)
+        
+        return impact
+    
+async def update_ball(game: Game, impact: Point):
+    
+    distance: float = impact.distance(game.ball.position) - game.ball.size / 2
+    
+    time_before_impact: float = distance / game.ball.speed
+    
+    await asyncio.sleep(time_before_impact)
+    
+    game.ball.angle = game.ball.angle + 180
+    
+    game.ball.position = impact
+
+    await SyncToAsync(game.broadcast)("update_ball", game.ball.to_dict())
+
+async def render(game: Game):
+
+    while True:
+        
+        segments: list[Segment] = [player.rail for player in game.players] + [wall.rail for wall in game.walls]
+
+        impact = get_impact_point(segments, game.ball)
+
+        await update_ball(game, impact)
 
-def determine_distance_between_ball_and_wall(ball: Ball, segments: list[Segment]):
-    
-    intersections: list[Point] = determine_intersections(ball, segments)
-    
-    distances = list(map(math.dist, intersections))
-    
-    return min(distances)
-    
-def render(ball: Ball, game: Game):
-    
-    segments: list[Segment] = [player.rail for player in game.players]
-    
-    print(determine_distance_between_ball_and_wall(ball))
 
 def routine(game: Game):
-    
+
+    asyncio.run(render(game))
+
     while True:
         for player in game._updated_players:
             game.broadcast("update_paddle", player.to_dict(), [player])
-        
+
         game._updated_players.clear()
-        
-        if (game.started):
-            game.ball.postion_x = game.ball.postion_x + game.ball.velocity_x
-            game.ball.postion_y = game.ball.postion_y + game.ball.velocity_y
-            
-            game.broadcast("update_ball", game.ball.to_dict())
-        
+
         sleep(1 / config.SERVER_TPS)