30 lines
648 B
C
30 lines
648 B
C
#include "device.h"
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#include "game.h"
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uint32_t game_frame;
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void game_init() {
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game_frame = 0;
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}
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void game_update() {
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game_frame += 1;
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}
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void game_draw() {
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for (int x = 0; x < DEVICE_W; x++) {
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for (int y = 0; y < DEVICE_H; y++) {
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uint32_t r = (x * 255)/DEVICE_W;
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uint32_t g = (y * 255)/DEVICE_H;
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uint32_t b = game_frame & 0xff;
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if (x % 4 == 2 && y % 4 == 2) {
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r = 255 - r;
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g = 255 - g;
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b = 255 - b;
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}
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uint32_t color = r << 24 | g << 16 | b << 8;
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device_pixels[y][x] = color;
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}
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}
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}
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