function cubo(int stepe, int _wi)
	private
		int i,j,vertices[5][4];
	end
	begin
		clear_screen();
		delete_draw(0);
		stepe*=1000;

		vertices[0][0]=320 + cos(stepe)*2*_wi; 		vertices[0][1]=(240-_hi) + sin(stepe)*_wi;
		vertices[1][0]=320 + cos(stepe+1*70000)	*2*_wi;	vertices[1][1]=(240-_hi) + sin(stepe+1*70000)*_wi;
		vertices[2][0]=320 + cos(stepe+2*70000)	*2*_wi;	vertices[2][1]=(240-_hi) + sin(stepe+2*70000)*_wi;
		vertices[3][0]=320 + cos(stepe+3*70000)*2*_wi; 	vertices[3][1]=(240-_hi) + sin(stepe+3*70000)*_wi;
		vertices[4][0]=320 + cos(stepe+4*70000)*2*_wi; 	vertices[4][1]=(240-_hi) + sin(stepe+4*70000)*_wi;

		vertices[0][2]=320 + cos(stepe)*2*_wi; 		vertices[0][3]=(240+_hi) + sin(stepe)*_wi;
		vertices[1][2]=320 + cos(stepe+1*70000)	*2*_wi;	vertices[1][3]=(240+_hi) + sin(stepe+1*70000)*_wi;
		vertices[2][2]=320 + cos(stepe+2*70000)	*2*_wi;	vertices[2][3]=(240+_hi) + sin(stepe+2*70000)*_wi;
		vertices[3][2]=320 + cos(stepe+3*70000)*2*_wi; 	vertices[3][3]=(240+_hi) + sin(stepe+3*70000)*_wi;
		vertices[4][2]=320 + cos(stepe+4*70000)*2*_wi; 	vertices[4][3]=(240+_hi) + sin(stepe+4*70000)*_wi;

		drawing_color(rgb(255,255,255));
		for(i=0;i<4;i++)
			draw_line(vertices[i][0],vertices[i][1],vertices[i+1][0],vertices[i+1][1]);
			draw_line(vertices[i][2],vertices[i][3],vertices[i+1][2],vertices[i+1][3]);
			draw_line(vertices[i][0],vertices[i][1],vertices[i][2],vertices[i][3]);
		end
		draw_line(vertices[0][0],vertices[0][1],vertices[i][0],vertices[i][1]);
		draw_line(vertices[0][2],vertices[0][3],vertices[i][2],vertices[i][3]);
		draw_line(vertices[i][0],vertices[i][1],vertices[i][2],vertices[i][3]);
	end