41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
#include <gb/gb.h>
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#include <gb/drawing.h>
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UINT8 x = 1, y = 1, i = 3, j, f;
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void main() {
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color(BLACK, WHITE, SOLID); // forecolor, backcolor, mode [Colors: WHITE (0), LTGREY (1), DKGREY(2), BLACK (3)]
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circle(100, 60, 30, M_FILL); // x, y, radius, style (M_FILL or M_NOFILL)
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line(40, 40, 50, 50); // x1, y1, x2, y2
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box(120, 125, 125, 135, M_NOFILL); // x1, y1, x2, y2, style (M_FILL or M_NOFILL)
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plot_point(3, 4); // Plot a single pixel on the screen
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gotogxy(18, 15); // Places you at these coordinates
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gprintf("Hi"); // When using the drawing library you must use gprintf instead of printf
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while (1) {
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if (joypad() == J_UP && y != 0)
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y--;
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if (joypad() == J_DOWN && y != 143)
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y++;
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if (joypad() == J_LEFT && x != 0)
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x--;
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if (joypad() == J_RIGHT && x != 159)
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x++;
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if (joypad() == J_A) { // Change colors
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waitpadup();
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i++;
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if (i > 3)
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i = 0;
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}
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if (joypad() == J_B) { // Function to 'clear' the screen
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for (j = 0; j < 20; j++) { // GB screen is 20 columns wide and 18 columns tall
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for (f = 0; f < 18; f++) {
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gotogxy(j, f);
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wrtchr(' '); // Use wrtchr to place a character when using the drawing library
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}
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}
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}
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plot(x, y, i, SOLID); // Draws a pixel on the screen (x, y, color, mode)
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delay(10);
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}
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} |