automated snapshot
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28
field.go
28
field.go
@@ -19,16 +19,16 @@ type ScaleField struct {
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}
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func (f *ScaleField) Get(x, y float32) float32 {
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return f.field.Get(x / f.scale, y / f.scale)
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return f.field.Get(x/f.scale, y/f.scale)
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}
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type TranslateField struct {
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field Field
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x, y float32
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x, y float32
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}
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func (f *TranslateField) Get(x, y float32) float32 {
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return f.field.Get(x + f.x, y + f.y)
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return f.field.Get(x+f.x, y+f.y)
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}
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// NOISE FIELDS
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@@ -44,13 +44,13 @@ func (f *SimplexNoiseField) Get(x, y float32) float32 {
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// IMAGE FIELDS
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type ImageField struct {
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image *rl.Image
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pixels ImagePixels
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image *rl.Image
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pixels ImagePixels
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offsetX, offsetY float32
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}
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type ImagePixels struct {
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w, h int
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w, h int
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colors []rl.Color
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}
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@@ -61,22 +61,22 @@ func (p *ImagePixels) Get(x, y int) rl.Color {
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if y < 0 || y >= p.h {
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return rl.Black
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}
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return p.colors[x + y * p.w]
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return p.colors[x+y*p.w]
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}
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func NewImageField(path string) ImageField {
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image := rl.LoadImage(path)
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colors := rl.LoadImageColors(image)
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pixels := ImagePixels {
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w: int(image.Width),
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h: int(image.Height),
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pixels := ImagePixels{
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w: int(image.Width),
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h: int(image.Height),
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colors: colors,
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}
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offsetX := float32(image.Width / 2)
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offsetY := float32(image.Height / 2)
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return ImageField {
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image: image,
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pixels: pixels,
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return ImageField{
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image: image,
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pixels: pixels,
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offsetX: offsetX,
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offsetY: offsetY,
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}
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@@ -84,6 +84,6 @@ func NewImageField(path string) ImageField {
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func (f *ImageField) Get(x, y float32) float32 {
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// todo : blend colors
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c := f.pixels.Get(int(x+f.offsetX), int(y + f.offsetY))
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c := f.pixels.Get(int(x+f.offsetX), int(y+f.offsetY))
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return Brightness(c)
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}
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