68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
package game
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func accelerate(r Racer) Racer {
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if r.Kinetics.A < -MaxA {
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r.Kinetics.A = -MaxA
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}
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if r.Kinetics.A > MaxA {
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r.Kinetics.A = MaxA
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}
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if r.Kinetics.A > r.Battery.Charge {
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r.Kinetics.A = r.Battery.Charge
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}
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r.Battery.Charge -= abs(r.Kinetics.A)
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r.Kinetics.V += r.Kinetics.A
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if r.Kinetics.V > MaxV {
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r.Kinetics.V = MaxV
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}
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if r.Kinetics.V < -MaxV {
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r.Kinetics.V = -MaxV
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}
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return r
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}
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func moveRacer(s State, r Racer) State {
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r.Battery.Charge--
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s = updateRacer(s, r)
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if r.Battery.Charge <= 0 {
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return destroyRacer(s, r)
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}
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for i := 0; i < r.Kinetics.V; i++ {
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if o := collide(r.Position.Pos+1, r.Position.Lane, s); o != nil {
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return destroyRacer(s, r)
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} else {
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r.Position.Pos++
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}
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}
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s = updateRacer(s, r)
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return s
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}
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func collide(pos, lane int, s State) interface{} {
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for _, o := range s.Obstacles {
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if o.Position.Pos == pos && o.Position.Lane == lane {
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return o
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}
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}
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for _, t := range s.Teams {
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for _, r := range t.Racers {
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if r.Position.Pos == pos && r.Position.Lane == lane {
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return r
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}
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}
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}
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return nil
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}
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const (
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baseAccel = 1
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MaxA = 1
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MaxV = 4
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PassDistance = 2
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)
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