automated snapshot

field.go

@@ -28,7 +28,7 @@ type TranslateField struct {
 	x, y  float32
 }
 
-func (f *TranslateField) Get(x, y float32) float32 {
+func (f TranslateField) Get(x float32, y float32) float32 {
 	return f.field.Get(x+f.x, y+f.y)
 }
 
@@ -65,7 +65,7 @@ func (p *ImagePixels) Get(x, y int) rl.Color {
 	return p.colors[x+y*p.w]
 }
 
-func NewImageField(path string) ImageField {
+func NewImageField(path string) *ImageField {
 	image := rl.LoadImage(path)
 	fmt.Printf("loaded image from %s\n", path)
 	colors := rl.LoadImageColors(image)
@@ -76,7 +76,7 @@ func NewImageField(path string) ImageField {
 	}
 	offsetX := int(image.Width)/2
 	offsetY := int(image.Height)/2
-	return ImageField{
+	return &ImageField {
 		image:   image,
 		pixels:  pixels,
 		offsetX: offsetX,