game: online: add collision but weird lag
This commit is contained in:
@ -21,7 +21,7 @@ class Ball:
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def reset(self) -> None:
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self.size = config.BALL_SIZE
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self.position = Position(Point(config.BALL_SPAWN_POS_X + self.size / 2, config.BALL_SPAWN_POS_Y + self.size / 2), time.time())
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self.angle = math.pi * 1
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self.angle = math.pi * 0
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self.speed = config.BALL_SPEED_START
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def to_dict(self) -> dict:
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@ -35,7 +35,7 @@ class PongGame(AGame):
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]
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self.players = [PongPlayer(self, players[0], None, Segment(corners[1].copy(), corners[2].copy())),
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PongPlayer(self, players[1], None, Segment(corners[0].copy(), corners[3].copy()))]
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PongPlayer(self, players[1], None, Segment(corners[3].copy(), corners[0].copy()))]
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self.walls = [Wall(corners[0], corners[1]),
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Wall(corners[2], corners[3])]
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@ -74,7 +74,6 @@ class PongGame(AGame):
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return
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self.ball.reset()
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self.broadcast("update_ball", self.ball.to_dict())
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def get_valid_players(self) -> list[PongPlayer]:
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return [player for player in self.players if player.is_connected and not player.is_eliminated]
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@ -1,9 +1,9 @@
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from __future__ import annotations
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from .objects.pong.PongGame import PongPlayer
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from .objects.pong.Segment import Segment
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from .objects.pong.Point import Point
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from .objects.pong.Ball import Ball
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from .objects.pong.PongPlayer import PongPlayer
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from typing import TYPE_CHECKING
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@ -12,38 +12,179 @@ if TYPE_CHECKING:
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from . import config
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import asyncio
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import math
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import time
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from asgiref.sync import SyncToAsync
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import asyncio
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VERTICALLY = 1
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NORMAL = 2
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def get_player_hitted(players: list[PongPlayer], segment: Segment) -> PongPlayer | None:
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def identify(segment: Segment) -> str:
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for player in players:
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if (player.rail is segment):
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if (segment.start.x == segment.stop.x):
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return VERTICALLY
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return NORMAL
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def get_sign(num: float) -> int:
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if (num == 0):
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return 0
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if (num > 0):
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return 1
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if (num < 0):
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return -1
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def get_intercept(derive: float, point: Point) -> float:
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if (derive is None):
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return None
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return point.y - (point.x * derive)
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def get_derive(segment: Segment) -> float | None:
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if (segment.start.x == segment.stop.x):
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return None
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return (segment.stop.y - segment.start.y) / (segment.stop.x - segment.start.x)
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def get_ball_segment(ball: Ball) -> tuple[Segment, float, float]:
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cos: float = round(math.cos(ball.angle), 6)
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# invert because mathematical y coordinate and computor science y coordinate are opposed, y = 5 is above y = 10
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sin: float = round(math.sin(ball.angle)) * -1
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inc_x: float = (-1) * get_sign(cos) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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inc_y: float = get_sign(sin) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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ball_segment: tuple[Segment, float, float] = (Segment(ball.position.location, Point(ball.position.location.x + inc_x, ball.position.location.y + inc_y)), inc_x, inc_y)
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return ball_segment
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def get_constant(segment: Segment) -> float:
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return segment.start.x
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def get_impact_point(segment: Segment, ball_segment: Segment) -> Point | None:
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if identify(segment) == VERTICALLY and identify(ball_segment) == VERTICALLY:
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return None
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# because of in matematics world y = 10 is above y = 5 and on a display it is inverted I invert the coordonate
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inverted_segment = Segment(Point(segment.start.x, config.MAP_SIZE_Y - segment.start.y), Point(segment.stop.x, config.MAP_SIZE_Y - segment.stop.y))
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inverted_ball_segment = Segment(Point(ball_segment.start.x, config.MAP_SIZE_Y - ball_segment.start.y), Point(ball_segment.stop.x, config.MAP_SIZE_Y - ball_segment.stop.y))
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y: float
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x: float
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if (identify(segment) == NORMAL and identify(ball_segment) == NORMAL):
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# representation m * x + p
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m1 = get_derive(inverted_segment)
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m2 = get_derive(inverted_ball_segment)
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p1 = get_intercept(m1, inverted_segment.start)
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p2 = get_intercept(m2, inverted_ball_segment.start)
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# m1 * x + p1 = m2 * x + p2
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# m1 * x = m2 * x + p2 -p1
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# m1 * x - m2 * x = p1 - p2
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# x * (m1 - m2) = p1 - p2
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# x = (p1 - p2) / (m1 - m2)
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if (m1 == m2):
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return None
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# reinvert
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x: float = (p1 - p2) / (m1 - m2) * (-1)
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y: float = config.MAP_SIZE_Y - (m1 * x + p1)
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else:
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if (identify(inverted_segment) == VERTICALLY):
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constant: float = get_constant(inverted_segment)
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m: float = get_derive(inverted_ball_segment)
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p: float = get_intercept(m, inverted_ball_segment.start)
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else:
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constant: float = get_constant(inverted_ball_segment)
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m: float = get_derive(inverted_segment)
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p: float = get_intercept(m, inverted_segment.start)
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x: float = constant
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y: float = config.MAP_SIZE_Y - (m * x + p)
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impact: Point = Point(x, y)
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return impact
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def get_first_impact(segments: list[Segment], ball: Ball):
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cos: float = round(math.cos(ball.angle), 6)
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sin: float = round(math.sin(ball.angle))
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inc_x: float = (-1) * get_sign(cos) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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inc_y: float = get_sign(sin) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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ball_segment: Segment = Segment(ball.position.location, Point(ball.position.location.x + inc_x, ball.position.location.y + inc_y))
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data: dict | None = None
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for segment in segments:
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segment_with_padding = segment.copy()
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segment_with_padding.start.x += inc_x
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segment_with_padding.stop.x += inc_x
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segment_with_padding.start.y += inc_y
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segment_with_padding.stop.y += inc_y
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impact: Point = get_impact_point(segment_with_padding, ball_segment)
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if (impact is None):
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continue
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# check if the impact point is in the right direction
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diff_x: float = ball.position.location.x - impact.x
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if (get_sign(diff_x) == get_sign(cos) and cos != 0):
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continue
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diff_y: float = (ball.position.location.y - impact.y)
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if (get_sign(diff_y) != get_sign(sin) and sin != 0):
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continue
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distance: float = ball.position.location.distance(impact)
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if data is None or distance < data.get("distance"):
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data = {
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"distance": distance,
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"impact": impact,
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"segment": segment,
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"inc_x": inc_x,
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"inc_y": inc_y,
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}
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return data
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def get_player_hitted(game: PongGame, segment_hitted: Segment) -> PongPlayer | None:
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for player in game.get_valid_players():
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if player.rail is segment_hitted:
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return player
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return None
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def wall_collision(ball_angle: float, wall: Segment) -> float:
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wall_angle: float = wall.angle()
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cos: float = math.cos(wall_angle) * -1
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sin: float = math.sin(wall_angle)
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wall_angle: float = math.atan2(sin, cos)
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incident_angle: float = ball_angle - wall_angle
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reflection_angle: float = wall_angle - incident_angle
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return reflection_angle
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async def paddle_collision(game: PongGame, impact: Point, player: PongPlayer, inc_x: float, inc_y: float):
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def paddle_collision(impact: Point, player: PongPlayer, inc_x: float, inc_y: float) -> Point | None:
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diff_x: float = player.rail.stop.x - player.rail.start.x
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diff_y: float = player.rail.stop.y - player.rail.start.y
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@ -69,8 +210,6 @@ async def paddle_collision(game: PongGame, impact: Point, player: PongPlayer, in
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hit_point: Point = Point(impact.x - inc_x, impact.y - inc_y)
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if not paddle.is_on(hit_point):
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await asyncio.sleep(0.1) # delay to create frontend animation
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await SyncToAsync(game.goal)(player)
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return None
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paddle_angle: float = paddle.angle()
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@ -88,39 +227,38 @@ async def paddle_collision(game: PongGame, impact: Point, player: PongPlayer, in
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return new_angle
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async def collision(game: PongGame, impact_data: dict) -> bool:
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def wall_collision(ball_angle: float, wall: Segment) -> float:
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wall_angle: float = wall.angle()
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cos: float = math.cos(wall_angle) * -1
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sin: float = math.sin(wall_angle)
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wall_angle: float = math.atan2(sin, cos)
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incident_angle: float = ball_angle - wall_angle
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reflection_angle: float = wall_angle - incident_angle
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return reflection_angle
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def collision(game: PongGame, impact_data: dict) -> int | PongPlayer:
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segment: Segment = impact_data.get("segment")
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player_hitted = None
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for player in game.players:
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if (not player.is_connected()):
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continue
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if (player.rail is segment):
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player_hitted = player
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break
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player_hitted: PongGame = get_player_hitted(game, segment)
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angle: float
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print(impact_data.get("impact"))
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if (player_hitted is None):
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print("wall")
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if player_hitted is None:
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angle = wall_collision(game.ball.angle, segment)
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else:
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print("paddle")
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angle = await paddle_collision(game, impact_data.get("impact"), player_hitted, impact_data.get("inc_x"), impact_data.get("inc_y"))
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angle = paddle_collision(impact_data.get("impact"), player_hitted, impact_data.get("inc_x"), impact_data.get("inc_y"))
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if (angle is None):
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return False
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print((game.ball.angle % (math.pi * 2)) * 180 / math.pi, (angle % (math.pi * 2)) * 180 / math.pi)
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game.ball.speed += config.BALL_SPEED_INC
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game.ball.angle = angle
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return True
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if angle is None:
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return player_hitted
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return angle
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async def update_ball(game: PongGame, impact_data: dict):
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@ -128,150 +266,21 @@ async def update_ball(game: PongGame, impact_data: dict):
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time_before_impact: float = distance / game.ball.speed
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print(time_before_impact)
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await asyncio.sleep(time_before_impact)
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hit: bool = await collision(game, impact_data)
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print("HIT" * 10 + str(hit))
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if hit:
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game.ball.position.location = impact_data.get("impact")
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SyncToAsync(game.broadcast)("update_ball", game.ball.to_dict())
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def get_sign(num: float) -> int:
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if (num == 0):
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return 0
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if (num > 0):
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return 1
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if (num < 0):
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return -1
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def get_derive(segment: Segment) -> float:
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ret: int | PongPlayer = collision(game, impact_data)
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if (segment.start.x == segment.stop.x):
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return None
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return (segment.stop.y - segment.start.y) / (segment.stop.x - segment.start.x)
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def get_intercept(derive: float, point: Point) -> float:
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if (derive is None):
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return None
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return point.y - (point.x * derive)
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def get_constant(segment: Segment) -> float:
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return segment.start.x
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def identify(segment: Segment) -> str:
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if (segment.start.x == segment.stop.x):
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return VERTICALLY
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return NORMAL
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def get_interception(segment1: Segment, segment2: Segment):
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if (identify(segment1) == VERTICALLY and identify(segment2) == VERTICALLY):
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return None
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# because of in matematics world y = 10 is above y = 5 and on a display it is inverted I invert the coordonate
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inverted_segment1 = Segment(Point(segment1.start.x, config.MAP_SIZE_Y - segment1.start.y), Point(segment1.stop.x, config.MAP_SIZE_Y - segment1.stop.y))
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inverted_segment2 = Segment(Point(segment2.start.x, config.MAP_SIZE_Y - segment2.start.y), Point(segment2.stop.x, config.MAP_SIZE_Y - segment2.stop.y))
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if (identify(segment1) == NORMAL and identify(segment2) == NORMAL):
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# representation m * x + p
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m1 = get_derive(inverted_segment1)
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m2 = get_derive(inverted_segment2)
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p1 = get_intercept(m1, inverted_segment1.start)
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p2 = get_intercept(m2, inverted_segment2.start)
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# m1 * x + p1 = m2 * x + p2
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# m1 * x = m2 * x + p2 -p1
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# m1 * x - m2 * x = p1 - p2
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# x * (m1 - m2) = p1 - p2
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# x = (p1 - p2) / (m1 - m2)
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if (m1 == m2):
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return None
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# reinvert
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x: float = (p1 - p2) / (m1 - m2) * (-1)
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y: float = config.MAP_SIZE_Y - (m1 * x + p1)
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if isinstance(ret, PongPlayer):
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await asyncio.sleep(0.1) # create frontend animation
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await SyncToAsync(game.goal)(ret)
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else:
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if (identify(inverted_segment1) == VERTICALLY):
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constant: float = get_constant(inverted_segment1)
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m: float = get_derive(inverted_segment2)
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p: float = get_intercept(m, inverted_segment2.start)
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else:
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constant: float = get_constant(inverted_segment2)
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m: float = get_derive(inverted_segment1)
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p: float = get_intercept(m, inverted_segment1.start)
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x: float = constant
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y: float = config.MAP_SIZE_Y - (m * x + p)
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game.ball.speed += config.BALL_SPEED_INC
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game.ball.position.location = impact_data.get("impact")
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game.ball.position.time = time.time() * 1000
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game.ball.angle = ret
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impact: Point = Point(x, y)
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await SyncToAsync(game.broadcast)("update_ball", game.ball.to_dict())
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return impact
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def get_impact_data(segments: list[Segment], ball: Ball) -> dict:
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cos: float = round(math.cos(ball.angle), 6)
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sin: float = round(math.sin(ball.angle), 6)
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inc_x: float = (-1) * get_sign(cos) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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inc_y: float = get_sign(sin) * (config.STROKE_THICKNESS + config.BALL_SIZE / 2)
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point: Point = Point(ball.position.location.x + cos, ball.position.location.y - sin)
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ball_segment = Segment(ball.position.location, point)
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closest: dict = None
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for segment in segments:
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segment_with_padding = segment.copy()
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segment_with_padding.start.x += inc_x
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segment_with_padding.stop.x += inc_x
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segment_with_padding.start.y += inc_y
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segment_with_padding.stop.y += inc_y
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impact: Point = get_interception(segment_with_padding, ball_segment)
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if (impact is None):
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continue
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diff_x: float = ball.position.location.x - impact.x
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if (get_sign(diff_x) == get_sign(cos) and cos != 0):
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continue
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diff_y: float = (ball.position.location.y - impact.y)
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if (get_sign(diff_y) != get_sign(sin) and sin != 0):
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continue
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distance: float = impact.distance(ball.position.location)
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if (closest is None or distance < closest.get("distance")):
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closest = {
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"inc_x": inc_x,
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"inc_y": inc_y,
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"impact": impact,
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"segment": segment,
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"distance": distance,
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}
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return closest
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async def render_ball(game: PongGame):
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@ -279,14 +288,12 @@ async def render_ball(game: PongGame):
|
||||
|
||||
while True:
|
||||
|
||||
impact_data: dict = get_impact_data(segments, game.ball)
|
||||
impact_data: dict = get_first_impact(segments, game.ball)
|
||||
|
||||
await update_ball(game, impact_data)
|
||||
|
||||
async def async_routine(game: PongGame):
|
||||
|
||||
#TODO DEBUG collision
|
||||
|
||||
ball_routine = asyncio.create_task(render_ball(game))
|
||||
|
||||
while True:
|
||||
|
||||
Reference in New Issue
Block a user