From 139ed78464aee4d0cf4d03f27c0d42eb61a9b33b Mon Sep 17 00:00:00 2001
From: Logen Kain <logen@sudotask.com>
Date: Mon, 22 Jan 2018 22:43:17 -0700
Subject: [PATCH] Add descriptions to functions

---
 main.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/main.go b/main.go
index 324bfa8..79c47cc 100644
--- a/main.go
+++ b/main.go
@@ -48,6 +48,7 @@ func windowCollision(player *Player, win pixelgl.Window, dt float64) {
 
 }
 
+/* Decides what to do with input */
 func checkKeys(player *Player, win pixelgl.Window, dt float64) {
 	if win.Pressed(pixelgl.KeyLeft) {
 
@@ -83,9 +84,13 @@ func checkKeys(player *Player, win pixelgl.Window, dt float64) {
 
 	}
 	if win.Pressed(pixelgl.KeyDown) {
+		playerDrag(player)
+		playerDrag(player)
+		playerDrag(player)
 	}
 }
 
+/* Applies drag to the player */
 func playerDrag(player *Player) {
 	if player.yV > 0 {
 		player.yV -= player.drag
@@ -117,6 +122,7 @@ func playerDrag(player *Player) {
 	//return player
 }
 
+/* Load an image into pixel */
 func loadSprite(path string) (pixel.Picture, error) {
 	file, err := os.Open(path)
 	if err != nil {
@@ -130,6 +136,7 @@ func loadSprite(path string) (pixel.Picture, error) {
 	return pixel.PictureDataFromImage(img), nil
 }
 
+/* Apply speed adjustments that have been calculated */
 func playerAdjustSpeed(player *Player, dt float64) {
 	player.x += player.xV * dt
 	player.y += player.yV * dt
@@ -149,6 +156,7 @@ func playerAdjustSpeed(player *Player, dt float64) {
 	}
 }
 
+/* Read a sprite sheet from a pixel.Picture */
 func createSpriteSheet(SpriteSheetImg pixel.Picture,
 	spriteSizeX, spriteSizeY float64) []pixel.Rect {