// Move implements agent Mover interface method for ColourPolymorphicPrey:
// updates the agent's position according to its direction (heading) and
// velocity (speed*acceleration) if it doesn't encounter any errors.
func (c *ColourPolymorphicPrey) Move() error {
var posOffset, newPos geometry.Vector
var err error
posOffset, err = geometry.VecScalarMultiply(c.dir, c.movS*c.movA)
if err != nil {
return errors.New("agent move failed: " + err.Error())
}
newPos, err = geometry.VecAddition(c.pos, posOffset)
if err != nil {
return errors.New("agent move failed: " + err.Error())
}
newPos[x] = calc.WrapFloatIn(newPos[x], -1.0, 1.0)
newPos[y] = calc.WrapFloatIn(newPos[y], -1.0, 1.0)
c.pos = newPos
return nil
}
// Move updates the agent's position if it doesn't encounter any errors.
func (vp *VisualPredator) Move() error {
var posOffset, newPos geometry.Vector
var err error
posOffset, err = geometry.VecScalarMultiply(vp.dir, vp.movS*vp.movA)
if err != nil {
return errors.New("agent move failed: " + err.Error())
}
newPos, err = geometry.VecAddition(vp.pos, posOffset)
if err != nil {
return errors.New("agent move failed: " + err.Error())
}
newPos[x] = calc.WrapFloatIn(newPos[x], -1.0, 1.0)
newPos[y] = calc.WrapFloatIn(newPos[y], -1.0, 1.0)
vp.pos = newPos
return nil
}