func TestOptimalAttackVectorSort(t *testing.T) {
rand.Seed(0)
predator := vpTesterAgent(0.0, 0.0)
predator.vsr = 1.0
predator.τ = colour.RGB{Red: 0.71, Green: 0.1, Blue: 0.39}
prey := []ColourPolymorphicPrey{}
for i := 1; i <= 10; i++ {
agentA := cpPreyTesterAgent(calc.RandFloatIn(-1, 1), calc.RandFloatIn(-1, 1))
agentB := cpPreyTesterAgent(calc.RandFloatIn(-1, 1), calc.RandFloatIn(-1, 1))
agentA.colouration = colour.RGB{Red: rand.Float64(), Green: rand.Float64(), Blue: rand.Float64()}
agentB.colouration = colour.RGB{Red: rand.Float64(), Green: rand.Float64(), Blue: rand.Float64()}
prey = append(prey, agentA)
prey = append(prey, agentB)
}
c := math.Pow(2, 3)
f := visualSignalStrength(c)
optimals := []visualRecognition{}
for i := range prey {
𝛘 := colour.RGBDistance(predator.τ, prey[i].colouration)
δ, _ := geometry.VectorDistance(predator.pos, prey[i].pos)
// fmt.Printf("%v\t%v\t%v\t%p\n", i, 𝛘, δ, &prey[i])
a := visualRecognition{δ, 𝛘, f, c, &prey[i]}
optimals = append(optimals, a)
}
// RandRGBClamped will return a random valid RGB object within some differential of `col`
func RandRGBClamped(col RGB, diff float64) RGB {
diff = rand.NormFloat64() * diff
red := col.Red + calc.RandFloatIn(-diff, diff)
green := col.Green + calc.RandFloatIn(-diff, diff)
blue := col.Blue + calc.RandFloatIn(-diff, diff)
red = calc.ClampFloatIn(red, 0.0, 1.0)
green = calc.ClampFloatIn(green, 0.0, 1.0)
blue = calc.ClampFloatIn(blue, 0.0, 1.0)
return RGB{red, green, blue}
}
// Action = Rule Based Behaviour that each cpPrey agent engages in once per turn, counts as the agent's action for that turn/phase.
func (c *ColourPolymorphicPrey) Action(conditions ConditionParams, popSize int) (newpop []ColourPolymorphicPrey) {
newkids := []ColourPolymorphicPrey{}
jump := ""
// BEGIN
jump = c.Age(conditions)
switch jump {
case "DEATH":
goto End
case "SPAWN":
progeny := c.Birth(conditions) // max spawn size, mutation factor
newkids = append(newkids, progeny...)
case "FERTILE":
if popSize <= conditions.CpPreyPopulationCap {
c.Reproduction(conditions.CpPreyReproductionChance, conditions.CpPreyGestation)
}
fallthrough
case "EXPLORE":
� := calc.RandFloatIn(-conditions.CpPreyTurn, conditions.CpPreyTurn)
c.Turn(�)
c.Move()
}
newpop = append(newpop, *c)
End:
newpop = append(newpop, newkids...) // add the newly created children to the returning population
return
}
func TestCPPComparitorSort(t *testing.T) {
rand.Seed(0)
predator := vpTesterAgent(0.0, 0.0)
predator.vsr = 1.0
predator.τ = colour.RGB{Red: 0.71, Green: 0.1, Blue: 0.39}
prey := []ColourPolymorphicPrey{}
for i := 1; i <= 10; i++ {
agentA := cpPreyTesterAgent(calc.RandFloatIn(-1, 1), calc.RandFloatIn(-1, 1))
agentB := cpPreyTesterAgent(calc.RandFloatIn(-1, 1), calc.RandFloatIn(-1, 1))
agentA.colouration = colour.RGB{Red: rand.Float64(), Green: rand.Float64(), Blue: rand.Float64()}
agentB.colouration = colour.RGB{Red: rand.Float64(), Green: rand.Float64(), Blue: rand.Float64()}
prey = append(prey, agentA)
prey = append(prey, agentB)
}
f := func(v geometry.Vector) func(geometry.Vector) float64 {
return func(u geometry.Vector) float64 {
dist, _ := geometry.VectorDistance(v, u)
return dist
}
}(predator.pos)
compers := []compCPP{}
for i := range prey {
// fmt.Printf("%v\t%v\t%p\n", i, prey[i].pos, &prey[i])
a := compCPP{f, &prey[i]}
compers = append(compers, a)
}
sort.Sort(byComparitor(compers))
// for i := range compers {
// fmt.Printf("%v\t%v\t%p\t%v\n", i, compers[i].pos, compers[i].ColourPolymorphicPrey, f(compers[i].pos))
// }
want := fmt.Sprintf("%p", &prey[19])
got := fmt.Sprintf("%p", &(*compers[0].ColourPolymorphicPrey))
if want != got {
t.Errorf("want:\n%q\ngot:\n%q\n", want, got)
}
}
// RandVector will give a random vector within boundaries the axes of len(bounds) dimensions
func RandVector(bounds []float64) Vector {
var v Vector
for i := 0; i < len(bounds); i++ {
d := bounds[i]
val := calc.RandFloatIn(-d, d)
v = append(v, val)
}
return v
}
// FuzzifyVector will return a a 'fuzzy', slightly randomised version of v, at a random variance in range (-ε, +ε) offset from each existing element of v.
func FuzzifyVector(v Vector, ε float64) (Vector, error) {
if len(v) == 0 {
return nil, errors.New("v is an empty vector")
}
vf := v
for i := 0; i < len(vf); i++ {
vf[i] = vf[i] + calc.RandFloatIn(-ε, ε)
}
return vf, nil
}
// Action : Rule-Based-Behaviour for Visual Predator Agent
func (vp *VisualPredator) Action(errCh chan<- error, conditions ConditionParams, start int, turn int, cpPreyPop []ColourPolymorphicPrey, neighbours []VisualPredator, me int) []VisualPredator {
var returning []VisualPredator
var Φ float64
popSize := len(neighbours)
jump := vp.Age(conditions, popSize)
switch jump {
case "DEATH":
goto End
case "PREY SEARCH":
success := vp.SearchAndAttack(cpPreyPop, conditions, errCh)
if success {
goto Add
}
goto Patrol
case "FERTILE":
if len(neighbours) <= 0 {
goto Patrol
}
mate := vp.MateSearch(neighbours, me, errCh)
success := vp.Copulation(mate, conditions)
if !success {
goto Patrol
}
case "SPAWN":
children := vp.Birth(conditions, start, turn)
returning = append(returning, children...)
default:
log.Println("vp.Action Switch: FAIL: jump =", jump)
}
Patrol:
Φ = calc.RandFloatIn(-vp.tr, vp.tr)
vp.Turn(Φ)
vp.Move()
Add:
returning = append(returning, *vp)
End:
return returning
}
// RandRGB will return a random valid RGB object within the complete range of all possible RGB values.
func RandRGB() RGB {
red := calc.RandFloatIn(0, math.Nextafter(1.0, 2.0))
green := calc.RandFloatIn(0, math.Nextafter(1.0, 2.0))
blue := calc.RandFloatIn(0, math.Nextafter(1.0, 2.0))
return RGB{red, green, blue}
}