point.go

package main

import "time"

//import "log"
//import "os"
import "math/rand"

func main() {
	//l := log.New(os.Stderr, "",1)

	f := NewField()
	defer f.Close()
	//f.Add(NewPoint(10,2,'g'))
	s := NewSnake(f, f.w/2, f.h/2)
	f.Add(s)
	f.Add(NewWall(10, 10, 20, 10))
	f.Add(NewWall(0, 0, f.w-1, 0))
	f.Add(NewWall(0, f.h-1, f.w-1, f.h-1))
	f.Add(NewWall(0, 0, 0, f.h-1))
	f.Add(NewWall(f.w-1, 0, f.w-1, f.h-1))
	for {
		p := NewPoint(int(rand.Float64()*float64(f.w)), int(rand.Float64()*float64(f.h)), '*')
		if f.Intersect(p.x, p.y) == nil {
			f.Add(p)
			break
		}
	}

	var dir Direction = UP
	go s.parseKeyboard(&dir)
END:
	for i := 1; i <= 200; i++ {
		r := s.Grow(dir)
		f.Redraw()
		switch r {
		case "":
		case "ate":
			for {
				p := NewPoint(int(rand.Float64()*float64(f.w)), int(rand.Float64()*float64(f.h)), '*')
				if f.Intersect(p.x, p.y) == nil {
					f.Add(p)
					break
				}
			}
		case "gameover":
			break END
		}

		time.Sleep(300 * time.Millisecond)
	}

}