52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
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Simple dithered motion blur effect, applied to whole rendering.
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diff --git a/game.h b/game.h
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index 1ad5131..d886e0b 100644
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--- a/game.h
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+++ b/game.h
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@@ -347,6 +347,8 @@ struct
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char popupStr[LCR_POPUP_STR_SIZE];
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uint8_t popupCountdown;
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+ int_fast8_t frameCycle;
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+
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struct
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{
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uint8_t selectedTab;
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@@ -399,6 +401,9 @@ uint8_t LCR_gameMusicOn(void)
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void LCR_gameDrawPixel(unsigned long index, uint16_t color)
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{
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+ if ((index % LCR_SETTING_MOTION_BLUR_FRAMES) != LCR_game.frameCycle)
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+ return;
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+
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#if LCR_SETTING_RESOLUTION_SUBDIVIDE <= 1
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LCR_drawPixel(index,color);
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#else
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@@ -1899,6 +1904,8 @@ uint8_t LCR_gameStep(uint32_t time)
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{
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LCR_LOG2("rendering next frame");
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+ LCR_game.frameCycle = LCR_renderer.frame % LCR_SETTING_MOTION_BLUR_FRAMES;
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+
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while (time >= LCR_game.nextRenderFrameTime)
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LCR_game.nextRenderFrameTime += 1000 / LCR_SETTING_FPS;
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diff --git a/settings.h b/settings.h
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index 332df45..4c28e70 100644
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--- a/settings.h
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+++ b/settings.h
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@@ -222,6 +222,12 @@
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#define LCR_SETTING_TIME_MULTIPLIER 100
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#endif
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+#ifndef LCR_SETTING_MOTION_BLUR_FRAMES
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+ #define LCR_SETTING_MOTION_BLUR_FRAMES 2
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+ /** Length of the motion blur rendering cycle. The longer, the more pronounced
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+ the effect. Should be kept a power of two else performance suffers greatly. */
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+#endif
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+
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#ifndef LCR_SETTING_GHOST_STEP
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/** Step (in physics engine ticks) by which the samples for ghost car will be
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spaced (positions inbetween will be interpolated). Lower step along with more
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