85 lines
1.3 KiB
C
85 lines
1.3 KiB
C
// # Huge Sprite
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// <div style="text-align: center"><img src="screenshot.png" alt="" /></div>
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//
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// Render a huge 40x64 sprite that can be moved around with the D-pad.
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//
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// ## Source
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#include <gb/gb.h>
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#include <types.h>
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#include "sprite.h"
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#include "bg.h"
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#define SPR_WIDTH 8
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#define SPR_HEIGHT 5
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#define TOTAL_SPR SPR_WIDTH * SPR_HEIGHT
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UINT8 x = 64;
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UINT8 y = 96;
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void render_huge_sprite() {
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UINT8 i, j;
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UINT8 sprite_index;
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set_sprite_tile(0, 1);
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for(i = 0; i < SPR_WIDTH; ++i) {
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for(j = 0; j < SPR_HEIGHT; ++j) {
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sprite_index = i * SPR_HEIGHT + j;
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set_sprite_tile(sprite_index, sprite_index);
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move_sprite(sprite_index, x + (j * 8), y + (i * 8));
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}
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}
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}
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void load_background() {
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set_bkg_data(0, 2, bg_tile_data);
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set_bkg_tiles(0, 0, 20, 18, bg_map_data);
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}
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void move_huge_sprite(UINT8 nx, UINT8 ny) {
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UINT8 i, lx, ly;
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lx = 0;
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ly = 0;
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for(i = 0; i < 40; i++) {
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if(lx == 40) {
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lx = 0;
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ly += 8;
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}
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move_sprite(i, nx + lx, ny + ly);
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lx += 8;
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}
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}
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void move_right() {
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move_huge_sprite(++x, y);
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}
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void move_left() {
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move_huge_sprite(--x, y);
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}
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void main() {
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SPRITES_8x8;
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set_sprite_data(0, 40, sprite_tile_data);
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render_huge_sprite();
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load_background();
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SHOW_SPRITES;
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SHOW_BKG;
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while(1) {
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wait_vbl_done();
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if(joypad() & J_RIGHT) {
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move_right();
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}
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if(joypad() & J_LEFT) {
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move_left();
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}
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delay(10);
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}
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}
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