Setup project

racing-sim.py

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+#!/usr/bin/env python3
+
+# PYTHON RACING SIMULATOR
+# Inspired by https://www.youtube.com/watch?v=KkMZI5Jbf18
+# Copyright (C) 2023 Daniele Verducci
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# REQUIREMENTS:
+# pip install pysdl2 pysdl2-dll
+
+import sdl2.ext
+import math
+import time
+
+WIN_WIDTH = 640
+WIN_HEIGHT = 480
+SKY_COLOR = [0,128,255]
+FLOOR_COLOR = [64,64,64]
+
+class Main:
+
+	def __init__(self):
+		# Print instructions
+		print('RACING SIMULATOR by penguin86\n\nMovement: up, down, left, right\n\nFPS:')
+
+		# Graphics
+		sdl2.ext.init()
+		self.window = sdl2.SDL_CreateWindow(b"Racing simulator", 100, 100, WIN_WIDTH, WIN_HEIGHT,sdl2.SDL_WINDOW_SHOWN)
+		self.renderer = sdl2.SDL_CreateRenderer(self.window, -1,sdl2.SDL_RENDERER_ACCELERATED |sdl2.SDL_RENDERER_PRESENTVSYNC)
+		self.surface = sdl2.SDL_CreateRGBSurface(0,WIN_WIDTH,WIN_HEIGHT,32,0,0,0,0)
+
+	def run(self):
+		lastFpsCalcTime = 0
+		frames = 0
+
+		running = True
+		while running:
+			events = sdl2.ext.get_events()
+			for event in events:
+				if event.type == sdl2.SDL_QUIT or (event.type == sdl2.SDL_KEYDOWN and event.key.keysym.sym == sdl2.SDLK_ESCAPE):
+					running = False
+					break
+
+			keystate = sdl2.SDL_GetKeyboardState(None)
+			if keystate[sdl2.SDL_SCANCODE_LEFT]:
+				print("left")
+			elif keystate[sdl2.SDL_SCANCODE_RIGHT]:
+				print("right")
+			elif keystate[sdl2.SDL_SCANCODE_UP]:
+				print("accelerate")
+			elif keystate[sdl2.SDL_SCANCODE_DOWN]:
+				print("brake")
+
+			self.draw()
+
+			# Calculate FPS
+			frames = frames + 1
+			if time.time() - lastFpsCalcTime > 1:
+				fps = frames/(time.time() - lastFpsCalcTime)
+				print(int(fps))
+				frames = 0
+				lastFpsCalcTime = time.time()
+
+		return 0
+
+	def draw(self):
+		self.drawRoad()
+		self.drawCar()
+		sdl2.SDL_RenderPresent(self.renderer)
+
+	def drawRoad(self):
+		# Sky
+		sdl2.SDL_SetRenderDrawColor(self.renderer, SKY_COLOR[0], SKY_COLOR[1], SKY_COLOR[2], sdl2.SDL_ALPHA_OPAQUE)
+		sdl2.SDL_RenderClear(self.renderer)
+		# Floor
+		sdl2.SDL_SetRenderDrawColor(self.renderer, FLOOR_COLOR[0], FLOOR_COLOR[1], FLOOR_COLOR[2], sdl2.SDL_ALPHA_OPAQUE)
+		sdl2.SDL_RenderFillRect(self.renderer, sdl2.SDL_Rect(0, int(WIN_HEIGHT/2), WIN_WIDTH, int(WIN_HEIGHT)))
+
+	def drawCar(self):
+		return
+
+
+if __name__ == '__main__':
+	try:
+		main = Main()
+		main.run()
+	except KeyboardInterrupt:
+		exit(0)