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Fixed 4x resolution scaling for better performances

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This commit is contained in:
Daniele Verducci 2023-01-11 19:23:22 +01:00
parent ef80c7d091
commit 33f7a62c0f
1 changed files with 9 additions and 20 deletions
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29
v3/raycaster.py
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@ -33,9 +33,8 @@ TEXTURE_SIZE = 64
# Raycast cfg
RAYCAST_WIN_WIDTH = 600
RAYCAST_WIN_HEIGHT = 600
RAYCAST_RESOLUTION_SCALING = 4
RAYCAST_RENDER_WIDTH = int(RAYCAST_WIN_WIDTH / RAYCAST_RESOLUTION_SCALING)
RAYCAST_RENDER_HEIGHT = int(RAYCAST_WIN_HEIGHT / RAYCAST_RESOLUTION_SCALING)
RAYCAST_RENDER_WIDTH = int(RAYCAST_WIN_WIDTH / 4)
RAYCAST_RENDER_HEIGHT = int(RAYCAST_WIN_HEIGHT / 4)
DOF = 2*MAP_SIZE # Depth Of Field
CEILING_COLOR = sdl2.ext.Color(0,128,255,255)
FLOOR_COLOR = sdl2.ext.Color(64,64,64,255)
@ -377,23 +376,13 @@ class Main:
if lineEnd < lineStart:
continue
# Upscaling
lineStart = lineStart * RAYCAST_RESOLUTION_SCALING
lineEnd = lineEnd * RAYCAST_RESOLUTION_SCALING
# Draw segment
for repeat in range(1, RAYCAST_RESOLUTION_SCALING + 1):
x = i * RAYCAST_RESOLUTION_SCALING + repeat
self.drawVline(self.raycastSurface, color, x, int(lineStart), int(lineEnd))
def drawVline(self, surface, color, x, startY, endY):
if x < 0 or x > RAYCAST_WIN_WIDTH or startY < 0 or endY > RAYCAST_WIN_HEIGHT or endY < startY:
print("Trying to write outside bounds: vertical line with x {} from y {} to y {}".format(x, startY, endY))
return
startIdx = startY * RAYCAST_WIN_WIDTH + x
for idx in range(startIdx, endY * RAYCAST_WIN_WIDTH + x, RAYCAST_WIN_WIDTH):
self.raycast_u32_pixels[idx] = color
# Draw segment (all is scaled x4)
x = i * 4
for idx in range(int(lineStart * 4) * RAYCAST_WIN_WIDTH + x, int(lineEnd * 4) * RAYCAST_WIN_WIDTH + x, RAYCAST_WIN_WIDTH):
self.raycast_u32_pixels[idx] = color
self.raycast_u32_pixels[idx + 1] = color
self.raycast_u32_pixels[idx + 2] = color
self.raycast_u32_pixels[idx + 3] = color
def shade(self, color):
# Obtain channels