stephen mcquay
446eba5209
I've moved remote to https://s.mcquay.me/hackerbots/ and stood up routes for go get on the hackerbots repos. I had to update the imports for this to take effect.
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package server
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import (
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"encoding/json"
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"math"
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"math/rand"
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v "hackerbots.us/vector"
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)
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// Obstacle is the implementation of the generic building type in the game.
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type Obstacle struct {
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Bounds v.AABB2d `json:"bounds"`
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Hp int `json:"-"`
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}
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func (o *Obstacle) MarshalJSON() ([]byte, error) {
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payload := [4]float64{
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o.Bounds.A.X,
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o.Bounds.A.Y,
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o.Bounds.B.X,
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o.Bounds.B.Y,
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}
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return json.Marshal(payload)
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}
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func (o *Obstacle) UnmarshalJSON(incoming []byte) error {
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payload := [4]float64{}
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err := json.Unmarshal(incoming, &payload)
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if err != nil {
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return err
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}
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o.Bounds = v.AABB2d{
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A: v.Point2d{X: payload[0], Y: payload[1]},
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B: v.Point2d{X: payload[2], Y: payload[3]},
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}
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return nil
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}
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func (o Obstacle) distance_from_point(p v.Point2d) float64 {
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dist := math.MaxFloat32
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dist = math.Min(dist, float64(p.Sub(o.Bounds.A).Mag()))
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dist = math.Min(dist, float64(p.Sub(o.Bounds.B).Mag()))
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dist = math.Min(dist, float64(p.Sub(v.Point2d{X: o.Bounds.A.X, Y: o.Bounds.B.Y}).Mag()))
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dist = math.Min(dist, float64(p.Sub(v.Point2d{X: o.Bounds.B.X, Y: o.Bounds.A.Y}).Mag()))
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return dist
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}
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// GenerateObstacles returns a slice of (count) obstacles within a region
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// bounded by width, height.
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func GenerateObstacles(count int, width, height float64) []Obstacle {
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out := []Obstacle{}
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for i := 0; i < count; i++ {
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x := rand.Float64() * (width - (width / 10))
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y := rand.Float64() * (height - (height / 10))
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w := rand.Float64() * (width / 10)
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h := rand.Float64() * (height / 10)
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out = append(
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out,
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Obstacle{
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Bounds: v.AABB2d{
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A: v.Point2d{X: x, Y: y},
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B: v.Point2d{X: 20 + x + w, Y: 20 + y + h},
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},
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Hp: 10000,
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})
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}
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return out
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}
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