42 lines
752 B
Go
42 lines
752 B
Go
|
package engine
|
||
|
|
|
||
|
|
import (
|
||
|
|
"log"
|
||
|
|
|
||
|
|
"github.com/hajimehoshi/ebiten/v2"
|
||
|
|
)
|
||
|
|
|
||
|
|
const screenShaderSrc = `package main
|
||
|
|
|
||
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
||
|
|
return imageSrc0UnsafeAt(texCoord)
|
||
|
|
}
|
||
|
|
`
|
||
|
|
|
||
|
|
const depthShaderSrc = `package main
|
||
|
|
|
||
|
|
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
|
||
|
|
return imageSrc0UnsafeAt(texCoord)
|
||
|
|
}
|
||
|
|
`
|
||
|
|
|
||
|
|
var depthShader, screenShader *ebiten.Shader
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
ds, err := ebiten.NewShader([]byte(depthShaderSrc))
|
||
|
|
if err != nil {
|
||
|
|
log.Fatalf("Compiling depth shader: %v", err)
|
||
|
|
}
|
||
|
|
depthShader = ds
|
||
|
|
|
||
|
|
ss, err := ebiten.NewShader([]byte(screenShaderSrc))
|
||
|
|
if err != nil {
|
||
|
|
log.Fatalf("Compiling screen shader: %v", err)
|
||
|
|
}
|
||
|
|
screenShader = ss
|
||
|
|
}
|
||
|
|
|
||
|
|
type DepthBuffer struct {
|
||
|
|
Buffer *ebiten.Image
|
||
|
|
}
|