just playing around (43c039b9) · Commits · bsmrgo / boids

boid/behaviour.go

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		package boid

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		package boid

		// Vector3 consists of x, y, and z.
		type Vector3 struct {
		x, y, z float64
		}

		// Boid is a simulated entity.
		type Boid struct {
		position Vector3 // location of the boid
		orientation float64 //
		velocity Vector3 // speed and direction
		rotation float64 //
		angle1 float64 // angle for neighbourhood
		angle2 float64 // angle for neighbourhood
		distance float64 // distance of neighourhood
		}

		// Frame is
		type Frame struct {
		tick int64
		boids []Boid
		}

		// Create a new frame.
		func Create(bs []Boid) *Frame {
		return &Frame{
		tick: 0,
		boids: bs,
		}
		}

		func (b Boid) separation(f Frame) *Boid {
		return b
		}

		func (b Boid) alignment(f Frame) *Boid {
		return b
		}

		func (b Boid) cohesion(f Frame) *Boid {
		return b
		}

		// Next calculates the next tick in the simulation.
		func (f Frame) Next() Frame {
		var nf *Frame
		nf.tick = f.tick + 1
		nf.boids = make([]Boid, len(f.boids))
		for i, b := range f.boids {
		nb := b.separation(f).alignment(f).cohesion(f)
		nf.boids[i] = *nb
		}
		return nf
		}