examples/shaders/simple/main.go

@@ -1,98 +0,0 @@
-package main
-
-import (
-	"image"
-	"os"
-	"time"
-
-	_ "image/png"
-
-	"github.com/faiface/pixel"
-	"github.com/faiface/pixel/pixelgl"
-	"golang.org/x/image/colornames"
-)
-
-func loadPicture(path string) (pixel.Picture, error) {
-	file, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer file.Close()
-	img, _, err := image.Decode(file)
-	if err != nil {
-		return nil, err
-	}
-	return pixel.PictureDataFromImage(img), nil
-}
-
-func run() {
-	cfg := pixelgl.WindowConfig{
-		Title:  "Pixel Rocks!",
-		Bounds: pixel.R(0, 0, 1024, 768),
-		VSync:  true,
-	}
-	win, err := pixelgl.NewWindow(cfg)
-	if err != nil {
-		panic(err)
-	}
-
-	pic, err := loadPicture("thegopherproject.png")
-	if err != nil {
-		panic(err)
-	}
-
-	start := time.Now()
-	var utime float32
-
-	sprite := pixel.NewSprite(pic, pic.Bounds())
-	sc := pixelgl.NewCanvas(win.Bounds())
-	sc.SetFragmentShader(customFragShader)
-	sc.BindUniform("u_time", &utime)
-	sc.RecompileShader()
-
-	sprite.Draw(sc, pixel.IM.Moved(win.Bounds().Center()))
-	win.Clear(colornames.Greenyellow)
-
-	for !win.Closed() {
-		utime = float32(time.Since(start).Seconds())
-		sprite.Draw(sc, pixel.IM.Moved(win.Bounds().Center()))
-		sc.Draw(win, pixel.IM.Moved(win.Bounds().Center()))
-		win.Update()
-	}
-}
-
-func main() {
-	pixelgl.Run(run)
-}
-
-var customFragShader = `
-#version 330 core
-
-in vec4 Color;
-in vec2 TexCoords;
-in float Intensity;
-
-out vec4 color;
-
-uniform vec4 colorMask;
-uniform vec4 texBounds;
-uniform sampler2D tex;
-uniform float u_time;
-
-void main() {
-	if (Intensity == 0) {
-		color = colorMask * Color;
-	} else {
-		color = vec4(0, 0, 0, 0);
-		color += (1 - Intensity) * Color;
-		vec2 t = (TexCoords - texBounds.xy) / texBounds.zw;
-		color += Intensity * Color * texture(tex, t);
-		color *= colorMask;
-	}
-	color.rgb *= cos(u_time*5);
-}
-`
-
-// var umouse = mgl32.Vec2{}
-// umouse[0] = float32(win.MousePosition().X) / 1024
-// umouse[1] = float32(win.MousePosition().Y) / 768

examples/shaders/waterreflection/main.go

@@ -1,134 +0,0 @@
-package main
-
-import (
-	"image"
-	"math"
-	"os"
-	"time"
-
-	"golang.org/x/image/colornames"
-
-	_ "image/png"
-
-	"github.com/faiface/pixel"
-	"github.com/faiface/pixel/pixelgl"
-)
-
-func loadPicture(path string) (pixel.Picture, error) {
-	file, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer file.Close()
-	img, _, err := image.Decode(file)
-	if err != nil {
-		return nil, err
-	}
-	return pixel.PictureDataFromImage(img), nil
-}
-
-func run() {
-
-	cfg := pixelgl.WindowConfig{
-		Title:  "Pixel Rocks!",
-		Bounds: pixel.R(0, 0, 1024, 768),
-		VSync:  true,
-	}
-	pic, err := loadPicture("thegopherproject.png")
-	if err != nil {
-		panic(err)
-	}
-	win, err := pixelgl.NewWindow(cfg)
-	if err != nil {
-		panic(err)
-	}
-
-	start := time.Now()
-	var utime float32
-
-	sprite := pixel.NewSprite(pic, pic.Bounds())
-
-	sc := pixelgl.NewCanvas(pic.Bounds())
-
-	wc := win.GetCanvas()
-	wc.SetFragmentShader(reflectionShader)
-	wc.BindUniform("u_time", &utime)
-	wc.UpdateShader()
-
-	curpos := pixel.V(sc.Bounds().Center().X, -25)
-	tgtpos := pixel.V(sc.Bounds().Center().X, 316)
-	last := start
-
-	for !win.Closed() {
-		dt := time.Since(last).Seconds()
-		last = time.Now()
-		curpos = pixel.Lerp(curpos, tgtpos, 1-math.Pow(1.0/16, dt*0.5))
-		sc.Clear(colornames.Black)
-
-		utime = float32(time.Since(start).Seconds())
-		sprite.Draw(sc, pixel.IM.Moved(curpos))
-		sc.Draw(wc, pixel.IM.Moved(wc.Bounds().Center()))
-		win.Update()
-	}
-}
-
-func main() {
-	pixelgl.Run(run)
-}
-
-var reflectionShader = `
-#version 330 core
-
-in vec4 Color;
-in vec2 texcoords;
-in float Intensity;
-
-out vec4 fragColor;
-
-uniform vec4 u_colormask;
-uniform vec4 u_texbounds;
-uniform sampler2D u_texture;
-uniform float u_time;
-
-void main() {
-	if (Intensity == 0) {
-		fragColor = u_colormask * Color;
-	} else {
-		fragColor = vec4(0, 0, 0, 0);
-		fragColor += (1 - Intensity) * Color;
-		vec2 t = (texcoords - u_texbounds.xy) / u_texbounds.zw;
-		fragColor += Intensity * Color * texture(u_texture, t);
-		fragColor *= u_colormask;
-		vec2 uv =  t;
-		vec3 overlayColor = vec3(0.1,0.1,1);
-		float sepoffset = 0.005*cos(u_time*3.0);
-		
-		if (t.y < 0.3 + sepoffset)
-		{
-			float xoffset = 0.005*cos(u_time*3.0+200.0*t.y);
-			float yoffset = ((0.3 - t.y)/0.3) * 0.05*(1.0+cos(u_time*3.0+50.0*t.y));
-			fragColor = texture(u_texture, vec2(t.x+xoffset,t.y+yoffset));
-		}
-	}
-}
-`
-
-// void main() {
-// 	fragColor = vec4(0, 0, 0, 0);
-// 	fragColor += (1 - Intensity) * incolor;
-// 	vec2 t = (TexCoords) / texBounds.zw;
-// 	fragColor += Intensity * incolor * texture(tex, t);
-// 	fragColor *= colorMask;
-
-// 	vec2 uv =  t;
-// 	vec3 overlayColor = vec3(0.1,0.1,1);
-// 	float sepoffset = 0.005*cos(u_time*3.0);
-
-// 	if (t.y < 0.3 + sepoffset)
-// 	{
-//         float xoffset = 0.005*cos(u_time*3.0+200.0*t.y);
-// 		float yoffset = ((0.3 - t.y)/0.3) * 0.05*(1.0+cos(u_time*3.0+50.0*t.y));
-//         fragColor = texture(tex, vec2(t.x+xoffset,t.y+yoffset));
-// 	}
-// }
-// `