From 6cd2b8186cd5f7614f76c91cb237d34c9a048ee1 Mon Sep 17 00:00:00 2001
From: dbenavid <diego.benavides@mda.space>
Date: Tue, 5 Sep 2023 07:54:59 -0400
Subject: [PATCH] Managed to incorporate a frame based position offset which is
 cyclic for moving objects, called in function RepositionTest()

---
 examples/splashmenu/scenes/parallax.go | 35 ++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/examples/splashmenu/scenes/parallax.go b/examples/splashmenu/scenes/parallax.go
index 4c89761..fab5406 100644
--- a/examples/splashmenu/scenes/parallax.go
+++ b/examples/splashmenu/scenes/parallax.go
@@ -10,6 +10,7 @@ import (
 	"math/rand"
 
 	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/inpututil"
 	"github.com/hajimehoshi/ebiten/v2/vector"
 
 	_ "embed"
@@ -104,6 +105,17 @@ func NewParallax() Parallax {
 
 func (p *Parallax) Update() error {
 	p.increment++
+
+	var keysPressed []ebiten.Key
+	keysPressed = inpututil.AppendJustPressedKeys(keysPressed[:0])
+
+	//check for user input to transition scene
+	if inpututil.IsKeyJustPressed(ebiten.KeyQ) {
+		if p.events[groovy.COMPLETED] != nil {
+			p.events[groovy.COMPLETED]()
+		}
+	}
+
 	return nil
 }
 
@@ -251,4 +263,27 @@ func (p *Parallax) RepositionTest(screen *ebiten.Image) {
 		vs[i].ColorA = 1
 	}
 	screen.DrawTriangles(vs, is, whiteSubImage, nil)
+
+	//minX := x0 - xd
+	maxX := x0 + xd
+	//minY := y0 - yd
+	//maxY := y0 + yd
+	//178x229
+
+	roX := float64(178 / 4)
+	roY := float64(229 / 4)
+	startX := float64(maxX) + roX
+	startY := float64(y0) + roY/2
+
+	adjustment := 400.0
+	currentX := startX - float64(p.increment) + adjustment*math.Floor(float64(p.increment)/adjustment)
+
+	op := &ebiten.DrawImageOptions{}
+	op.GeoM.Scale(.5, .5)
+	op.GeoM.Translate(-roX, -roY)
+	op.GeoM.Rotate(-float64(p.increment) / (math.Pi * 12.0))
+	op.GeoM.Translate(currentX, startY)
+
+	screen.DrawImage(roids[1], op)
+
 }