go/xyosc
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hopefully this works on the first try

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This commit is contained in:
Louis Dalibard 2025-01-16 21:25:11 +01:00
parent 5ae5cc803a
commit 2e71a38944
3 changed files with 65 additions and 43 deletions
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2
config/config.go
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@ -72,6 +72,8 @@ var ThirdColorAdj color.RGBA
var watcher *fsnotify.Watcher
var SingleChannel bool = false
func Init() {
configPath := configdir.LocalConfig("ontake", "xyosc")
err := configdir.MakePath(configPath) // Ensure it exists.

105
main.go
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@ -19,6 +19,7 @@ import (
"github.com/chewxy/math32"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/ebitenutil"
"github.com/hajimehoshi/ebiten/v2/inpututil"
"github.com/hajimehoshi/ebiten/v2/text/v2"
"github.com/hajimehoshi/ebiten/v2/vector"
)
@ -36,51 +37,68 @@ func (g *Game) Draw(screen *ebiten.Image) {
var AY float32
var BX float32
var BY float32
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AX)
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AY)
S := float32(0)
for i := uint32(0); i < config.Config.ReadBufferSize/audio.SampleSizeInBytes/2; i++ {
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &BX)
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &BY)
fAX := float32(AX) * config.Config.Gain * float32(scale)
fAY := -float32(AY) * config.Config.Gain * float32(scale)
fBX := float32(BX) * config.Config.Gain * float32(scale)
fBY := -float32(BY) * config.Config.Gain * float32(scale)
if config.Config.LineInvSqrtOpacityControl {
inv := fastsqrt.FastInvSqrt32((fBX-fAX)*(fBX-fAX) + (fBY-fBY)*(fBY-fBY))
colorAdjusted := color.RGBA{config.ThirdColor.R, config.ThirdColor.G, config.ThirdColor.B, uint8(float32(config.Config.LineOpacity) * inv)}
vector.StrokeLine(screen, float32(config.Config.WindowWidth/2)+fAX, float32(config.Config.WindowHeight/2)+fAY, float32(config.Config.WindowWidth/2)+fBX, float32(config.Config.WindowHeight/2)+fBY, config.Config.LineThickness, colorAdjusted, true)
} else {
vector.StrokeLine(screen, float32(config.Config.WindowWidth/2)+fAX, float32(config.Config.WindowHeight/2)+fAY, float32(config.Config.WindowWidth/2)+fBX, float32(config.Config.WindowHeight/2)+fBY, config.Config.LineThickness, config.ThirdColorAdj, true)
}
S += float32(AX)*float32(AX) + float32(AY)*float32(AY)
if config.Config.Particles {
if rand.IntN(config.Config.ParticleGenPerFrameEveryXSamples) == 0 {
if len(particles.Particles) >= config.Config.ParticleMaxCount {
particles.Particles = particles.Particles[1:]
}
particles.Particles = append(particles.Particles, particles.Particle{
X: float32(AX) * config.Config.Gain,
Y: -float32(AY) * config.Config.Gain,
VX: 0,
VY: 0,
Size: rand.Float32()*(config.Config.ParticleMaxSize-config.Config.ParticleMinSize) + config.Config.ParticleMinSize,
})
}
}
AX = BX
AY = BY
var FFTBuffer = make([]float32, config.Config.ReadBufferSize/audio.SampleSizeInBytes/2)
if inpututil.IsKeyJustPressed(ebiten.KeyF) {
config.SingleChannel = !config.SingleChannel
}
if config.SingleChannel {
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AX)
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AY)
S := float32(0)
for i := uint32(0); i < config.Config.ReadBufferSize/audio.SampleSizeInBytes/2; i++ {
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &BX)
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &BY)
fAX := float32(AX) * config.Config.Gain * float32(scale)
fAY := -float32(AY) * config.Config.Gain * float32(scale)
fBX := float32(BX) * config.Config.Gain * float32(scale)
fBY := -float32(BY) * config.Config.Gain * float32(scale)
if config.Config.LineInvSqrtOpacityControl {
inv := fastsqrt.FastInvSqrt32((fBX-fAX)*(fBX-fAX) + (fBY-fBY)*(fBY-fBY))
colorAdjusted := color.RGBA{config.ThirdColor.R, config.ThirdColor.G, config.ThirdColor.B, uint8(float32(config.Config.LineOpacity) * inv)}
vector.StrokeLine(screen, float32(config.Config.WindowWidth/2)+fAX, float32(config.Config.WindowHeight/2)+fAY, float32(config.Config.WindowWidth/2)+fBX, float32(config.Config.WindowHeight/2)+fBY, config.Config.LineThickness, colorAdjusted, true)
} else {
vector.StrokeLine(screen, float32(config.Config.WindowWidth/2)+fAX, float32(config.Config.WindowHeight/2)+fAY, float32(config.Config.WindowWidth/2)+fBX, float32(config.Config.WindowHeight/2)+fBY, config.Config.LineThickness, config.ThirdColorAdj, true)
}
S += float32(AX)*float32(AX) + float32(AY)*float32(AY)
if config.Config.Particles {
if rand.IntN(config.Config.ParticleGenPerFrameEveryXSamples) == 0 {
if len(particles.Particles) >= config.Config.ParticleMaxCount {
particles.Particles = particles.Particles[1:]
}
particles.Particles = append(particles.Particles, particles.Particle{
X: float32(AX) * config.Config.Gain,
Y: -float32(AY) * config.Config.Gain,
VX: 0,
VY: 0,
Size: rand.Float32()*(config.Config.ParticleMaxSize-config.Config.ParticleMinSize) + config.Config.ParticleMinSize,
})
}
}
for i, particle := range particles.Particles {
vector.DrawFilledCircle(screen, float32(config.Config.WindowWidth/2)+particle.X*float32(scale), float32(config.Config.WindowHeight/2)+particle.Y*float32(scale), particle.Size, config.ThirdColor, true)
norm := math32.Sqrt(particles.Particles[i].X*particles.Particles[i].X + particles.Particles[i].Y*particles.Particles[i].Y)
particles.Particles[i].X += particle.VX / float32(ebiten.ActualTPS())
particles.Particles[i].Y += particle.VY / float32(ebiten.ActualTPS())
speed := math32.Sqrt(particle.VX*particle.VX + particle.VY*particle.VY)
particles.Particles[i].VX += (config.Config.ParticleAcceleration*S - speed*config.Config.ParticleDrag) * particle.X / norm / float32(ebiten.ActualTPS())
particles.Particles[i].VY += (config.Config.ParticleAcceleration*S - speed*config.Config.ParticleDrag) * particle.Y / norm / float32(ebiten.ActualTPS())
AX = BX
AY = BY
}
for i, particle := range particles.Particles {
vector.DrawFilledCircle(screen, float32(config.Config.WindowWidth/2)+particle.X*float32(scale), float32(config.Config.WindowHeight/2)+particle.Y*float32(scale), particle.Size, config.ThirdColor, true)
norm := math32.Sqrt(particles.Particles[i].X*particles.Particles[i].X + particles.Particles[i].Y*particles.Particles[i].Y)
particles.Particles[i].X += particle.VX / float32(ebiten.ActualTPS())
particles.Particles[i].Y += particle.VY / float32(ebiten.ActualTPS())
speed := math32.Sqrt(particle.VX*particle.VX + particle.VY*particle.VY)
particles.Particles[i].VX += (config.Config.ParticleAcceleration*S - speed*config.Config.ParticleDrag) * particle.X / norm / float32(ebiten.ActualTPS())
particles.Particles[i].VY += (config.Config.ParticleAcceleration*S - speed*config.Config.ParticleDrag) * particle.Y / norm / float32(ebiten.ActualTPS())
}
} else {
for i := uint32(0); i < config.Config.ReadBufferSize/audio.SampleSizeInBytes/2; i++ {
FFTBuffer[i] = AX
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AX)
binary.Read(audio.SampleRingBuffer, binary.NativeEndian, &AY)
}
for i := uint32(0); i < config.Config.ReadBufferSize/audio.SampleSizeInBytes/2-1; i++ {
fAX := float32(FFTBuffer[i]) * config.Config.Gain * float32(scale)
fBX := float32(FFTBuffer[i+1]) * config.Config.Gain * float32(scale)
vector.StrokeLine(screen, float32(config.Config.WindowWidth)*float32(i)/float32(config.Config.ReadBufferSize/audio.SampleSizeInBytes/2), float32(config.Config.WindowHeight/2)+fAX, float32(config.Config.WindowWidth)*float32(i+1)/float32(config.Config.ReadBufferSize/audio.SampleSizeInBytes/2), float32(config.Config.WindowHeight/2)+fBX, config.Config.LineThickness, config.ThirdColorAdj, true)
}
}
//audio.SampleRingBuffer.Reset()
@ -115,6 +133,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
Size: 32,
}, op)
}
}
func (g *Game) Layout(outsideWidth, outsideHeight int) (int, int) {

1
vendor/modules.txt vendored
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@ -53,6 +53,7 @@ github.com/godbus/dbus/v5
## explicit; go 1.22.0
github.com/hajimehoshi/ebiten/v2
github.com/hajimehoshi/ebiten/v2/ebitenutil
github.com/hajimehoshi/ebiten/v2/inpututil
github.com/hajimehoshi/ebiten/v2/internal/affine
github.com/hajimehoshi/ebiten/v2/internal/atlas
github.com/hajimehoshi/ebiten/v2/internal/buffered