it works! I can now refactor

environment.go → environment/environment.go

@@ -1,6 +1,6 @@
 
 
-package main
+package environment
 
 import (
 	"image"
@@ -35,7 +35,7 @@ func Rect(x1, y1, x2, y2 int, canvas *image.Paletted) {
     VLine(x2, y1, y2, canvas)
 }
 
-func drawMaze(currentMaze *maze.Maze, canvas *image.Paletted) {
+func DrawMaze(currentMaze *maze.Maze, canvas *image.Paletted) {
     var foo bytes.Buffer
 
     w := io.Writer(&foo)
@@ -76,7 +76,7 @@ func drawMaze(currentMaze *maze.Maze, canvas *image.Paletted) {
 
 
 // does it intersec with environment?
-func inteserction(img *image.Paletted, next_coords map[string]int, r image.Rectangle)  bool {
+func Inteserction(img *image.Paletted, next_coords map[string]int, r image.Rectangle)  bool {
 
     subRect := image.Rect(next_coords["x"], next_coords["y"], (r.Size().X  + next_coords["x"]) , (r.Size().Y + next_coords["y"]))
     gridSubImage := img.SubImage(subRect)
@@ -94,7 +94,7 @@ func inteserction(img *image.Paletted, next_coords map[string]int, r image.Recta
 }
 
 // is it still in the environment? when > width, height - tells to complete or render next section
-func inEnvironment(img *image.Paletted, next_coords map[string]int, r image.Rectangle)  bool {
+func InEnvironment(img *image.Paletted, next_coords map[string]int, r image.Rectangle)  bool {
     log.Println(img.Bounds().Max.X);
     log.Println(next_coords["x"]);
     if (next_coords["x"] >= img.Bounds().Max.X){

imageflip/flip.go

@@ -1,4 +1,4 @@
-package imageFlip
+package imageflip
 
 import (
     "image"

imageflip/flip_test.go

@@ -1,4 +1,4 @@
-package imageFlip
+package imageflip
 
 import (
     "testing"

main.go

@@ -17,6 +17,8 @@ import (
     "time"
 
     "github.com/metalix2/pigames/imageflip"
+    "github.com/metalix2/pigames/environment"
+
     "github.com/itchyny/maze"
 
     "periph.io/x/conn/v3/i2c/i2creg"
@@ -208,11 +210,11 @@ func drawCanvas(w, h int, src image.Image, prev_coords map[string]int, next_coor
     img := image.NewPaletted(image.Rect(0, 0, w, h), palette.Plan9)
 
     currentMaze.Generate()
-    drawMaze(currentMaze, img)
+    environment.DrawMaze(currentMaze, img)
 
     // bound detection
     if 0 > prev_coords["x"] + r.Size().X  {
-        if !inEnvironment(img, prev_coords, r) {
+        if !environment.InEnvironment(img, prev_coords, r) {
             level += 1
             prev_coords = map[string]int{"x": 2, "y": 2}
             next_coords = map[string]int{"x": 2, "y": 2}
@@ -228,7 +230,7 @@ func drawCanvas(w, h int, src image.Image, prev_coords map[string]int, next_coor
     prev_coords["y"] > r.Size().Y && screenY + 0  > prev_coords["y"] + r.Size().Y  ||
     prev_coords["y"] + r.Size().Y  >= 64 + screenY + r.Size().Y {
         log.Println(prev_coords["x"] + r.Size().X  >= 128 + screenX + r.Size().X)
-        if inEnvironment(img, prev_coords, r) {
+        if environment.InEnvironment(img, prev_coords, r) {
             var vector [2]int
             vector[0] = (next_coords["x"] - prev_coords["x"])
             vector[1] = (next_coords["y"] - prev_coords["y"])
@@ -281,7 +283,7 @@ func drawCanvas(w, h int, src image.Image, prev_coords map[string]int, next_coor
     r = r.Add(image.Point{prev_coords["x"], prev_coords["y"]})
 
     // check Avatar can't walk through walls
-    if inteserction(img, next_coords, r) {
+    if environment.Inteserction(img, next_coords, r) {
         next_coords["x"] = prev_coords["x"]
         next_coords["y"] = prev_coords["y"]
     }