UnrealXR/raylib-go
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better to use the using existing method by passing the required []color.RGBA instead of the unsafe.Pointer

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This commit is contained in:
Palessan 2024-06-28 15:11:11 +03:00
parent f529bc2897
commit 6c3961f894
2 changed files with 8 additions and 14 deletions
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14
examples/textures/textures_gif_player/main.go
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@ -2,6 +2,7 @@ package main
import (
"fmt"
"image/color"
"unsafe"
rl "github.com/gen2brain/raylib-go/raylib"
@ -30,12 +31,12 @@ func main() {
// WARNING: It's not recommended to use this technique for sprites animation,
// use spritesheets instead, like illustrated in textures_sprite_anim example
var texScarfyAnim rl.Texture2D = rl.LoadTextureFromImage(imScarfyAnim)
var texScarfyAnimSize int32 = imScarfyAnim.Width * imScarfyAnim.Height
var nextFrameDataOffset uint32 = 0 // Current byte offset to next frame in image.data
var currentAnimFrame int32 = 0 // Current animation frame to load and draw
var frameDelay int32 = 8 // Frame delay to switch between animation frames
var frameCounter int32 = 0 // General frames counter
var currentAnimFrame int32 = 0 // Current animation frame to load and draw
var frameDelay int32 = 8 // Frame delay to switch between animation frames
var frameCounter int32 = 0 // General frames counter
rl.SetTargetFPS(60) // Set our game to run at 60 frames-per-second
@ -43,6 +44,7 @@ func main() {
for !rl.WindowShouldClose() { // Detect window close button or ESC key
// Update
frameCounter++
if frameCounter >= frameDelay {
// Move to next frame
// NOTE: If final frame is reached we return to first frame
@ -53,11 +55,11 @@ func main() {
// Get memory offset position for next frame data in image.data
nextFrameDataOffset = uint32(imScarfyAnim.Width * imScarfyAnim.Height * int32(4) * currentAnimFrame)
// Update GPU texture data with next frame image data
// WARNING: Data size (frame size) and pixel format must match already created texture
// here we needed to make the Data as public
rl.UpdateTextureUnsafe(texScarfyAnim, unsafe.Pointer(uintptr(imScarfyAnim.Data)+uintptr(nextFrameDataOffset)))
rl.UpdateTexture(texScarfyAnim,
unsafe.Slice((*color.RGBA)(unsafe.Pointer(uintptr(imScarfyAnim.Data)+uintptr(nextFrameDataOffset))), texScarfyAnimSize))
frameCounter = 0
}