func NewBall(speed, max_speed, radius float32, sound_file string) *Ball {
//Once again, accounting for outline thickness
shape := sf.NewCircleShape(radius - 3)
shape.SetOutlineThickness(3)
shape.SetOutlineColor(sf.ColorBlack())
shape.SetFillColor(sf.ColorWhite())
shape.SetOrigin(sf.Vector2f{radius / 2, radius / 2})
buffer, _ := sf.NewSoundBufferFromFile(sound_file)
sound := sf.NewSound(buffer)
return &Ball{speed, max_speed, float32(0), radius, shape, sound}
}
func main() {
if len(os.Args) < 3 {
fmt.Println("add the color range function: operiation x ,like + 2 ")
return
}
colorRangeFunc := func(r, g, b, anivalue float32) (outr, outg, outb float32) {
if os.Args[len(os.Args)-1] != "a" {
anivalue = 0
}
outr = argsCheckAndAddColor(r, 1, anivalue)
outg = argsCheckAndAddColor(g, 2, anivalue)
outb = argsCheckAndAddColor(g, 3, anivalue)
return
}
ticker := time.NewTicker(time.Second / 30)
setting := sf.DefaultContextSettings()
setting.AntialiasingLevel = 8
renderWindow := sf.NewRenderWindow(sf.VideoMode{800, 600, 32}, "Events (GoSFML2)", sf.StyleDefault, setting)
round, err := sf.NewCircleShape()
imageGot, _, err := images.ReadImage("./011.jpg", -50, -50, 600, 600)
if err != nil {
fmt.Println(err)
return
}
imageGot__ := images.ImageEnhanceRGBWithFunc(imageGot, func(r, g, b float32) (outr, outg, outb float32) {
outr = 127 * float32(math.Sin(float64(r-127)/255*math.Pi+1))
outg = g
outb = b
return
})
texture, err := images.ReadTextureFromImage(*imageGot__)
if err != nil {
fmt.Println(err)
return
}
texture.SetSmooth(true)
round.SetPosition(sf.Vector2f{100, 50})
round.SetRadius(300)
round.SetTexture(texture, true)
clip := animations.NewLoopAnimation([]float32{0}, []float32{255}, -1, animations.Pingpong, func(values []float32) {
imageGot__ = images.ImageEnhanceRGBWithFunc(imageGot, func(r, g, b float32) (outr, outg, outb float32) {
outr, outg, outb = colorRangeFunc(r, g, b, values[0])
return
})
texture, _ := images.ReadTextureFromImage(*imageGot__)
round.SetTexture(texture, true)
}, nil)
clip.SetFrameCount(60)
animation := animations.NewAnimation(0)
animation.AddClip(clip)
animation.Play()
for renderWindow.IsOpen() {
select {
case <-ticker.C:
for event := renderWindow.PollEvent(); event != nil; event = renderWindow.PollEvent() {
switch event.(type) {
case sf.EventClosed:
renderWindow.Close()
}
}
}
animation.Animate()
renderWindow.Clear(sf.ColorWhite())
renderWindow.Draw(round, sf.DefaultRenderStates())
renderWindow.Display()
}
}