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 y := rand.Float32() * height 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 }