43 lines
871 B
Go
43 lines
871 B
Go
package system
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import (
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"math"
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"code.rocketnine.space/tslocum/brownboxbatman/component"
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"code.rocketnine.space/tslocum/brownboxbatman/world"
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"code.rocketnine.space/tslocum/gohan"
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"github.com/hajimehoshi/ebiten/v2"
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)
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const CameraMoveSpeed = 0.132
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type CameraSystem struct {
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Weapon *component.Weapon
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Position *component.Position
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}
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func NewCameraSystem() *CameraSystem {
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s := &CameraSystem{}
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return s
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}
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func (s *CameraSystem) Update(e gohan.Entity) error {
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if !world.World.GameStarted || world.World.GameOver {
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return nil
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}
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world.World.CamMoving = world.World.CamY > 0
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if world.World.CamMoving {
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world.World.CamY -= CameraMoveSpeed
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} else {
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world.SetMessage("GAME OVER\n\nYOU WIN!", math.MaxInt)
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world.World.GameOver = true
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}
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return nil
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}
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func (_ *CameraSystem) Draw(_ gohan.Entity, _ *ebiten.Image) error {
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return gohan.ErrUnregister
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}
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