From b2e8ec4f3d1831b20e764b432f86b5233f7b4156 Mon Sep 17 00:00:00 2001
From: Jalen Winslow <jalenwinslow@yahooo.com>
Date: Tue, 16 Jan 2018 07:35:04 -0700
Subject: [PATCH] Added a handler, update, and render

---
 main.go | 52 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 48 insertions(+), 4 deletions(-)

diff --git a/main.go b/main.go
index c40a079..b52e2b2 100644
--- a/main.go
+++ b/main.go
@@ -5,12 +5,20 @@ import (
 	"image"
 	_ "image/png"
 	"os"
+	"time"
 
 	"github.com/faiface/pixel"
 	"github.com/faiface/pixel/pixelgl"
 	"golang.org/x/image/colornames"
 )
 
+//something like this should handle everything within the game.
+//this is not the final form. I was just testing things.
+type Handler struct {
+	s *pixel.Sprite
+	x, y float64
+}
+
 func loadPicture(path string) (pixel.Picture, error) {
 	file, err := os.Open(path)
 	if err != nil {
@@ -29,7 +37,7 @@ func run() {
 	cfg := pixelgl.WindowConfig{
 		Title:  "Pixel Rocks!",
 		Bounds: pixel.R(0, 0, 1024, 768),
-		VSync:  true,
+		//Going to use different method then vsync
 	}
 
 	win, err := pixelgl.NewWindow(cfg)
@@ -44,14 +52,50 @@ func run() {
 
 	sprite := pixel.NewSprite(pic, pic.Bounds())
 
-	win.Clear(colornames.Skyblue)
-	sprite.Draw(win, pixel.IM.Moved(win.Bounds().Center()))
+	//Create handler
+	var handler Handler
+	handler.s = sprite
+	handler.x = 0
+	handler.y = 0
 
+	//Game Loop -- Should be 60 fps
+	var timePerFrame int64 = 1000000000/60
+	last := time.Now().UnixNano()
+	var now, dt int64
 	for !win.Closed() {
-		win.Update()
+		
+		now = time.Now().UnixNano()
+		dt += now-last
+		last = now
+		
+		if (dt >= timePerFrame) {
+			dt -= 0
+
+			update(&handler)
+			render(handler, win)
+		}
+		
 	}
 }
 
 func main() {
 	pixelgl.Run(run)
 }
+
+
+func update(handler *Handler) {
+	handler.x += 0.5
+	handler.y += 0.5
+}
+
+func render(handler Handler, win *pixelgl.Window) {
+	win.Clear(colornames.Skyblue)
+
+	//Draw here---
+	handler.s.Draw(win, pixel.IM.Moved(pixel.V(handler.x,handler.y)))
+
+	//---DrawEnd
+
+	//update
+	win.Update()
+}
\ No newline at end of file