penguin86/python-sdl-racing-sim
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Daniele Verducci 2023-01-15 09:47:31 +01:00
parent 24d56fb8bb
commit 6b4942c6a7
1 changed files with 40 additions and 5 deletions
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45
racing-sim.py
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@ -24,10 +24,17 @@ import sdl2.ext
import math
import time
WIN_WIDTH = 640
WIN_HEIGHT = 480
SKY_COLOR = [0,128,255]
FLOOR_COLOR = [64,64,64]
RENDER_WIDTH = 128
RENDER_HEIGHT = 96
RENDER_SCALE = 8
WIN_WIDTH = RENDER_WIDTH * RENDER_SCALE
WIN_HEIGHT = RENDER_HEIGHT * RENDER_SCALE
SKY_COLOR = [0,127,255]
GRASS_COLOR = [0,127,0]
KERB_COLOR = [255,0,0]
ROAD_COLOR = [127,127,127]
KERB_WIDTH = 0.05
class Main:
@ -85,12 +92,40 @@ class Main:
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_SetRenderDrawColor(self.renderer, ROAD_COLOR[0], ROAD_COLOR[1], ROAD_COLOR[2], sdl2.SDL_ALPHA_OPAQUE)
sdl2.SDL_RenderFillRect(self.renderer, sdl2.SDL_Rect(0, int(WIN_HEIGHT/2), WIN_WIDTH, int(WIN_HEIGHT)))
# Draw road
for y in range(int(RENDER_HEIGHT/2), RENDER_HEIGHT):
roadWidth = 0.6
roadWidthPixels = roadWidth * RENDER_WIDTH
roadCenterPixels = (RENDER_WIDTH - roadWidth) / 2
kerbWidth = KERB_WIDTH * RENDER_WIDTH
sdl2.SDL_SetRenderDrawColor(self.renderer, KERB_COLOR[0], KERB_COLOR[1], KERB_COLOR[2], sdl2.SDL_ALPHA_OPAQUE)
# Left Kerb
x = roadCenterPixels - roadWidthPixels / 2 - kerbWidth
self.drawScaledHLine(x, y, kerbWidth)
# Right Kerb
x = roadCenterPixels + roadWidthPixels / 2
self.drawScaledHLine(x, y, kerbWidth)
sdl2.SDL_SetRenderDrawColor(self.renderer, GRASS_COLOR[0], GRASS_COLOR[1], GRASS_COLOR[2], sdl2.SDL_ALPHA_OPAQUE)
# Left Grass
xEnd = roadCenterPixels - roadWidthPixels / 2 - kerbWidth
self.drawScaledHLine(0, y, xEnd) # xEnd = length, because xStart = 0
# Right Grass
x = roadCenterPixels + roadWidthPixels / 2 + kerbWidth
length = RENDER_WIDTH - x
self.drawScaledHLine(x, y, length)
def drawCar(self):
return
def drawScaledHLine(self, x, y, length):
sdl2.SDL_RenderFillRectF(self.renderer, sdl2.SDL_FRect(x * RENDER_SCALE, y * RENDER_SCALE, length * RENDER_SCALE, RENDER_SCALE))
if __name__ == '__main__':
try: