52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
//go:build example
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// +build example
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package system
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import (
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"code.rocketnine.space/tslocum/gohan"
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"code.rocketnine.space/tslocum/gohan/examples/twinstick/component"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type movementInputSystem struct {
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Velocity *component.Velocity
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Weapon *component.Weapon
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}
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func NewMovementInputSystem() *movementInputSystem {
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return &movementInputSystem{}
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}
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func (s *movementInputSystem) Update(entity gohan.Entity) error {
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if ebiten.IsKeyPressed(ebiten.KeyA) {
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s.Velocity.X -= 0.5
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if s.Velocity.X < -5 {
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s.Velocity.X = -5
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}
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}
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if ebiten.IsKeyPressed(ebiten.KeyD) {
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s.Velocity.X += 0.5
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if s.Velocity.X > 5 {
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s.Velocity.X = 5
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}
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}
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if ebiten.IsKeyPressed(ebiten.KeyW) {
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s.Velocity.Y -= 0.5
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if s.Velocity.Y < -5 {
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s.Velocity.Y = -5
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}
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}
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if ebiten.IsKeyPressed(ebiten.KeyS) {
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s.Velocity.Y += 0.5
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if s.Velocity.Y > 5 {
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s.Velocity.Y = 5
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}
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}
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return nil
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}
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func (s *movementInputSystem) Draw(_ gohan.Entity, _ *ebiten.Image) error {
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return gohan.ErrUnregister
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}
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