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Update examples

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This commit is contained in:
Milan Nikolic 2021-11-11 16:36:32 +01:00
parent 2013bc4628
commit 7b91ce25fb
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GPG key ID: 9229D0EAA3AA4E75
8 changed files with 32 additions and 36 deletions
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10
examples/textures/image_generation/main.go
View file

@ -1,7 +1,7 @@
package main
import (
"github.com/gen2brain/raylib-go/raylib"
rl "github.com/gen2brain/raylib-go/raylib"
)
const numTextures = 7
@ -17,7 +17,6 @@ func main() {
radialGradient := rl.GenImageGradientRadial(screenWidth, screenHeight, 0, rl.White, rl.Black)
checked := rl.GenImageChecked(screenWidth, screenHeight, 32, 32, rl.Red, rl.Blue)
whiteNoise := rl.GenImageWhiteNoise(screenWidth, screenHeight, 0.5)
perlinNoise := rl.GenImagePerlinNoise(screenWidth, screenHeight, 50, 50, 4.0)
cellular := rl.GenImageCellular(screenWidth, screenHeight, 32)
textures := make([]rl.Texture2D, numTextures)
@ -26,8 +25,7 @@ func main() {
textures[2] = rl.LoadTextureFromImage(radialGradient)
textures[3] = rl.LoadTextureFromImage(checked)
textures[4] = rl.LoadTextureFromImage(whiteNoise)
textures[5] = rl.LoadTextureFromImage(perlinNoise)
textures[6] = rl.LoadTextureFromImage(cellular)
textures[5] = rl.LoadTextureFromImage(cellular)
// Unload image data (CPU RAM)
rl.UnloadImage(verticalGradient)
@ -35,7 +33,6 @@ func main() {
rl.UnloadImage(radialGradient)
rl.UnloadImage(checked)
rl.UnloadImage(whiteNoise)
rl.UnloadImage(perlinNoise)
rl.UnloadImage(cellular)
currentTexture := 0
@ -74,9 +71,6 @@ func main() {
rl.DrawText("WHITE NOISE", 640, 10, 20, rl.Red)
break
case 5:
rl.DrawText("PERLIN NOISE", 630, 10, 20, rl.RayWhite)
break
case 6:
rl.DrawText("CELLULAR", 670, 10, 20, rl.RayWhite)
break
default:

4
examples/textures/image_image/main.go
View file

@ -4,7 +4,7 @@ import (
"image/png"
"os"
"github.com/gen2brain/raylib-go/raylib"
rl "github.com/gen2brain/raylib-go/raylib"
)
func main() {
@ -35,7 +35,7 @@ func main() {
for !rl.WindowShouldClose() {
if rl.IsKeyPressed(rl.KeyS) {
rimg := rl.GetTextureData(texture)
rimg := rl.LoadImageFromTexture(texture)
f, err := os.Create("image_saved.png")
if err != nil {

10
examples/textures/image_processing/main.go
View file

@ -1,7 +1,7 @@
package main
import (
"github.com/gen2brain/raylib-go/raylib"
rl "github.com/gen2brain/raylib-go/raylib"
)
const numProcesses = 8
@ -35,9 +35,9 @@ func main() {
rl.InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing")
image := rl.LoadImage("parrots.png") // Loaded in CPU memory (RAM)
image := rl.LoadImage("parrots.png") // Loaded in CPU memory (RAM)
rl.ImageFormat(image, rl.UncompressedR8g8b8a8) // Format image to RGBA 32bit (required for texture update)
texture := rl.LoadTextureFromImage(image) // Image converted to texture, GPU memory (VRAM)
texture := rl.LoadTextureFromImage(image) // Image converted to texture, GPU memory (VRAM)
currentProcess := None
textureReload := false
@ -98,8 +98,8 @@ func main() {
break
}
pixels := rl.GetImageData(image) // Get pixel data from image (RGBA 32bit)
rl.UpdateTexture(texture, pixels) // Update texture with new image data
pixels := rl.LoadImageColors(image) // Get pixel data from image (RGBA 32bit)
rl.UpdateTexture(texture, pixels) // Update texture with new image data
textureReload = false
}

6
examples/textures/to_image/main.go
View file

@ -1,7 +1,7 @@
package main
import (
"github.com/gen2brain/raylib-go/raylib"
rl "github.com/gen2brain/raylib-go/raylib"
)
func main() {
@ -14,8 +14,8 @@ func main() {
texture := rl.LoadTextureFromImage(image) // Image converted to texture, GPU memory (RAM -> VRAM)
rl.UnloadImage(image) // Unload image data from CPU memory (RAM)
image = rl.GetTextureData(texture) // Retrieve image data from GPU memory (VRAM -> RAM)
rl.UnloadTexture(texture) // Unload texture from GPU memory (VRAM)
image = rl.LoadImageFromTexture(texture) // Retrieve image data from GPU memory (VRAM -> RAM)
rl.UnloadTexture(texture) // Unload texture from GPU memory (VRAM)
texture = rl.LoadTextureFromImage(image) // Recreate texture from retrieved image data (RAM -> VRAM)
rl.UnloadImage(image) // Unload retrieved image data from CPU memory (RAM)