server/obstacle.go

package main

import (
	v "bitbucket.org/hackerbots/vector"
	"math/rand"
)

type Obstacle struct {
	Bounds v.Rect2d `json:"bounds"`
}

func GenerateObstacles(count int, width, height float32) []Obstacle {
	out := []Obstacle{}
	for i := 0; i < count; i++ {
		x := rand.Float32() * (width - (width / 10))
		y := rand.Float32() * (height - (height / 10))
		w := rand.Float32() * (width / 10)
		h := rand.Float32() * (height / 10)
		out = append(
			out,
			Obstacle{
				Bounds: v.Rect2d{
					A: v.Point2d{X: x, Y: y},
					B: v.Point2d{X: 20 + x + w, Y: 20 + y + h},
				},
			})
	}
	return out
}