请继续提供绘制游戏场景、贪吃蛇、食物等图形部分的代码
时间: 2023-07-10 13:29:26 浏览: 41
好的,以下是绘制游戏场景、贪吃蛇、食物等图形部分的代码,你可以将它们添加到上面的代码框架中:
```matlab
% 绘制游戏场景
function draw_board(width, height, canvas)
% 绘制背景
rectangle(canvas, 'Position', [0, 0, width, height], 'FaceColor', [0.8 0.8 0.8], 'LineWidth', 1, 'EdgeColor', 'k');
axis(canvas, 'off', 'equal', [0, width, 0, height]);
end
% 绘制贪吃蛇
function draw_snake(pos, canvas)
% 绘制贪吃蛇身体
rectangle(canvas, 'Position', [pos(1,1)-0.5, pos(1,2)-0.5, 1, 1], 'FaceColor', 'g', 'EdgeColor', 'k');
for i = 2:length(pos)
rectangle(canvas, 'Position', [pos(i,1)-0.5, pos(i,2)-0.5, 1, 1], 'FaceColor', 'g', 'EdgeColor', 'k');
end
% 绘制贪吃蛇头部
head_pos = pos(1,:);
head_dir = pos(2,:) - head_pos;
if isequal(head_dir, [1, 0])
triangle_x = [head_pos(1)-0.25, head_pos(1)+0.25, head_pos(1)+0.25];
triangle_y = [head_pos(2)+0.5, head_pos(2)+0.25, head_pos(2)+0.75];
elseif isequal(head_dir, [-1, 0])
triangle_x = [head_pos(1)-0.25, head_pos(1)+0.25, head_pos(1)+0.25];
triangle_y = [head_pos(2)-0.5, head_pos(2)-0.25, head_pos(2)-0.75];
elseif isequal(head_dir, [0, 1])
triangle_x = [head_pos(1)+0.5, head_pos(1)+0.25, head_pos(1)+0.75];
triangle_y = [head_pos(2)-0.25, head_pos(2)+0.25, head_pos(2)+0.25];
elseif isequal(head_dir, [0, -1])
triangle_x = [head_pos(1)-0.5, head_pos(1)-0.25, head_pos(1)-0.75];
triangle_y = [head_pos(2)-0.25, head_pos(2)+0.25, head_pos(2)+0.25];
end
patch(canvas, triangle_x, triangle_y, 'g', 'EdgeColor', 'k');
end
% 绘制食物
function draw_food(pos, canvas)
rectangle(canvas, 'Position', [pos(1)-0.5, pos(2)-0.5, 1, 1], 'FaceColor', 'r', 'EdgeColor', 'k');
end
```
这些代码中,我们使用了Matlab的绘图函数来绘制游戏场景、贪吃蛇和食物。在绘制贪吃蛇时,我们使用了矩形和三角形来表示贪吃蛇的身体和头部。在绘制食物时,我们使用了一个红色的矩形来表示食物。你可以根据需要修改这些绘图函数,以实现更好的效果。
希望这些代码能够对你有所帮助!