Shooting firework effect
This commit is contained in:
MrMelon
parent
6bc31f21b1
commit
bdee74138a
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@ -4,7 +4,6 @@ import (
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"math/rand"
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"time"
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"github.com/charmbracelet/harmonica"
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"github.com/maaslalani/confetty/array"
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"github.com/maaslalani/confetty/simulation"
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@ -43,11 +42,11 @@ func Spawn(width, height int) []simulation.Particle {
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y := float64(0)
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p := simulation.Particle{
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Physics: harmonica.NewProjectile(
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harmonica.FPS(framesPerSecond),
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harmonica.Point{X: x + (float64(width/4) * (rand.Float64() - 0.5)), Y: y, Z: 0},
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harmonica.Vector{X: (rand.Float64() - 0.5) * 100, Y: rand.Float64() * 50, Z: 0},
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harmonica.Vector(harmonica.TerminalGravity),
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Physics: simulation.NewProjectile(
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simulation.FPS(framesPerSecond),
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simulation.Point{X: x + (float64(width/4) * (rand.Float64() - 0.5)), Y: y, Z: 0},
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simulation.Vector{X: (rand.Float64() - 0.5) * 100, Y: rand.Float64() * 50, Z: 0},
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simulation.Vector(simulation.TerminalGravity),
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),
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Char: lipgloss.NewStyle().
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Foreground(lipgloss.Color(array.Sample(colors))).
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@ -5,7 +5,6 @@ import (
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"math/rand"
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"time"
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"github.com/charmbracelet/harmonica"
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"github.com/maaslalani/confetty/array"
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"github.com/maaslalani/confetty/simulation"
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@ -22,6 +21,8 @@ const (
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var (
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colors = []string{"#a864fd", "#29cdff", "#78ff44", "#ff718d", "#fdff6a"}
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characters = []string{"+", "*", "•"}
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head_char = "▄"
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tail_char = "│"
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)
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type frameMsg time.Time
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@ -36,24 +37,43 @@ type model struct {
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system *simulation.System
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}
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func Spawn(width, height int) []simulation.Particle {
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func SpawnShoot(width, height int) simulation.Particle {
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color := lipgloss.Color(array.Sample(colors))
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v := float64(rand.Intn(15) + 15.0)
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x := rand.Float64() * float64(width)
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p := simulation.Particle{
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Physics: simulation.NewProjectile(
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simulation.FPS(framesPerSecond),
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simulation.Point{X: x, Y: float64(height)},
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simulation.Vector{X: 0, Y: -v},
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simulation.Vector(simulation.TerminalGravity),
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),
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Char: lipgloss.NewStyle().Foreground(color).Render(head_char),
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TailChar: lipgloss.NewStyle().Foreground(color).Render(tail_char),
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Shooting: true,
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ExplosionCall: SpawnExplosion,
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}
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return p
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}
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func SpawnExplosion(x, y float64, width, height int) []simulation.Particle {
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color := lipgloss.Color(array.Sample(colors))
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v := float64(rand.Intn(10) + 20.0)
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particles := []simulation.Particle{}
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x := rand.Float64() * float64(width)
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y := rand.Float64() * float64(height)
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for i := 0; i < numParticles; i++ {
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p := simulation.Particle{
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Physics: harmonica.NewProjectile(
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harmonica.FPS(framesPerSecond),
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harmonica.Point{X: x, Y: y},
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harmonica.Vector{X: math.Cos(float64(i)) * v, Y: math.Sin(float64(i)) * v / 2},
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harmonica.Vector(harmonica.TerminalGravity),
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Physics: simulation.NewProjectile(
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simulation.FPS(framesPerSecond),
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simulation.Point{X: x, Y: y},
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simulation.Vector{X: math.Cos(float64(i)) * v, Y: math.Sin(float64(i)) * v / 2},
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simulation.Vector(simulation.TerminalGravity),
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),
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Char: lipgloss.NewStyle().Foreground(color).Render(array.Sample(characters)),
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Char: lipgloss.NewStyle().Foreground(color).Render(array.Sample(characters)),
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Shooting: false,
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}
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particles = append(particles, p)
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}
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@ -67,7 +87,7 @@ func InitialModel() model {
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}
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return model{system: &simulation.System{
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Particles: Spawn(width, height),
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Particles: []simulation.Particle{SpawnShoot(width, height)},
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Frame: simulation.Frame{
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Width: width,
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Height: height,
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@ -89,7 +109,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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case "ctrl+c", "q":
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return m, tea.Quit
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}
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m.system.Particles = append(m.system.Particles, Spawn(m.system.Frame.Width, m.system.Frame.Height)...)
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m.system.Particles = append(m.system.Particles, SpawnShoot(m.system.Frame.Width, m.system.Frame.Height))
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return m, nil
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case frameMsg:
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7
go.mod
7
go.mod
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@ -3,13 +3,10 @@ module github.com/maaslalani/confetty
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go 1.16
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require (
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github.com/charmbracelet/bubbletea v0.17.0
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github.com/charmbracelet/harmonica v0.1.1-0.20211027165653-ff7be1c0cd31
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github.com/charmbracelet/bubbletea v0.19.0
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github.com/charmbracelet/lipgloss v0.4.0
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github.com/containerd/console v1.0.3 // indirect
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github.com/mattn/go-isatty v0.0.14 // indirect
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github.com/muesli/reflow v0.3.0 // indirect
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github.com/spf13/cobra v1.2.1
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golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359 // indirect
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golang.org/x/sys v0.0.0-20211031064116-611d5d643895 // indirect
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
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)
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18
go.sum
18
go.sum
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@ -46,10 +46,8 @@ github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj
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github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
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github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
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github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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github.com/charmbracelet/bubbletea v0.17.0 h1:ABmd01l6K7Q8lSQxF7yG8yWayz5gXWSt3JfB/X1eYP4=
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github.com/charmbracelet/bubbletea v0.17.0/go.mod h1:YTZSs2p3odhwYZdhqJheYHVUjU37c9OLgS85kw6NGQY=
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github.com/charmbracelet/harmonica v0.1.1-0.20211027165653-ff7be1c0cd31 h1:SDIjOIg+gsaRt3vmfQ3hIP6KT4PCC2/ARbTU5hiy/Gg=
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github.com/charmbracelet/harmonica v0.1.1-0.20211027165653-ff7be1c0cd31/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
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github.com/charmbracelet/bubbletea v0.19.0 h1:1gz4rbxl3qZik/oP8QW2vUtul2gO8RDDzmoLGERpTQc=
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github.com/charmbracelet/bubbletea v0.19.0/go.mod h1:VuXF2pToRxDUHcBUcPmCRUHRvFATM4Ckb/ql1rBl3KA=
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github.com/charmbracelet/lipgloss v0.4.0 h1:768h64EFkGUr8V5yAKV7/Ta0NiVceiPaV+PphaW1K9g=
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github.com/charmbracelet/lipgloss v0.4.0/go.mod h1:vmdkHvce7UzX6xkyf4cca8WlwdQ5RQr8fzta+xl7BOM=
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github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
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@ -59,9 +57,8 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
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github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
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github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
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github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
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github.com/containerd/console v1.0.2 h1:Pi6D+aZXM+oUw1czuKgH5IJ+y0jhYcwBJfx5/Ghn9dE=
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github.com/containerd/console v1.0.2/go.mod h1:ytZPjGgY2oeTkAONYafi2kSj0aYggsf8acV1PGKCbzQ=
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github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw=
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github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
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github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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@ -184,7 +181,6 @@ github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i
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github.com/magiconair/properties v1.8.5/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
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github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
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github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
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github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
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github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
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@ -204,15 +200,17 @@ github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
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github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
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github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
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github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b h1:1XF24mVaiu7u+CFywTdcDo2ie1pzzhwjt6RHqzpMU34=
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github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b/go.mod h1:fQuZ0gauxyBcmsdE3ZT4NasjaRdxmbCS0jRHsrWu3Ho=
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github.com/muesli/reflow v0.2.1-0.20210115123740-9e1d0d53df68/go.mod h1:Xk+z4oIWdQqJzsxyjgl3P22oYZnHdZ8FFTHAQQt5BMQ=
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github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
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github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
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github.com/muesli/termenv v0.8.1/go.mod h1:kzt/D/4a88RoheZmwfqorY3A+tnsSMA9HJC/fQSFKo0=
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github.com/muesli/termenv v0.9.0 h1:wnbOaGz+LUR3jNT0zOzinPnyDaCZUQRZj9GxK8eRVl8=
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github.com/muesli/termenv v0.9.0/go.mod h1:R/LzAKf+suGs4IsO95y7+7DpFHO0KABgnZqtlyx2mBw=
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github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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github.com/pelletier/go-toml v1.9.3/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
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github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
|
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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|
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@ -409,8 +407,8 @@ golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7w
|
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golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
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golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
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golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359 h1:2B5p2L5IfGiD7+b9BOoRMC6DgObAVZV+Fsp050NqXik=
|
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golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
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golang.org/x/sys v0.0.0-20211031064116-611d5d643895 h1:iaNpwpnrgL5jzWS0vCNnfa8HqzxveCFpFx3uC/X4Tps=
|
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golang.org/x/sys v0.0.0-20211031064116-611d5d643895/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
|
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golang.org/x/term v0.0.0-20210422114643-f5beecf764ed/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
|
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
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|
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@ -0,0 +1,33 @@
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package simulation
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type Projectile struct {
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Position Point
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Velocity Vector
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Acceleration Vector
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DeltaTime float64
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}
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type Point struct {
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X, Y, Z float64
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}
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type Vector struct {
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X, Y, Z float64
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}
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var Gravity = Vector{0, -9.81, 0}
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var TerminalGravity = Vector{0, 9.81, 0}
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func NewProjectile(del float64, pos Point, vel, acc Vector) *Projectile {
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return &Projectile{pos, vel, acc, del}
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}
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func (p *Projectile) Update() {
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p.Position.X += (p.Velocity.X * p.DeltaTime)
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p.Position.Y += (p.Velocity.Y * p.DeltaTime)
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p.Position.Z += (p.Velocity.Z * p.DeltaTime)
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p.Velocity.X += (p.Acceleration.X * p.DeltaTime)
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p.Velocity.Y += (p.Acceleration.Y * p.DeltaTime)
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p.Velocity.Z += (p.Acceleration.Z * p.DeltaTime)
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}
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@ -3,8 +3,7 @@ package simulation
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import (
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"fmt"
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"strings"
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|
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"github.com/charmbracelet/harmonica"
|
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"time"
|
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)
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type System struct {
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|
|
@ -13,9 +12,12 @@ type System struct {
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}
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type Particle struct {
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Char string
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Physics *harmonica.Projectile
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Hidden bool
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Char string
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TailChar string
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Physics *Projectile
|
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Hidden bool
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Shooting bool
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ExplosionCall func(x, y float64, width, height int) []Particle
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}
|
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type Frame struct {
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|
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@ -23,6 +25,10 @@ type Frame struct {
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Height int
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}
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func FPS(n int) float64 {
|
||||
return (time.Second / time.Duration(n)).Seconds()
|
||||
}
|
||||
|
||||
func RemoveParticleFromArray(s []Particle, i int) []Particle {
|
||||
s[i] = s[len(s)-1]
|
||||
return s[:len(s)-1]
|
||||
|
|
@ -30,8 +36,19 @@ func RemoveParticleFromArray(s []Particle, i int) []Particle {
|
|||
|
||||
func (s *System) Update() {
|
||||
for i := len(s.Particles) - 1; i >= 0; i-- {
|
||||
p := s.Particles[i].Physics.Position()
|
||||
if p.X > float64(s.Frame.Width) || p.X < 0 || p.Y > float64(s.Frame.Height) {
|
||||
p := s.Particles[i]
|
||||
pos := p.Physics.Position
|
||||
|
||||
// if the shooting particle is slow enough then hide it and call the explosion function
|
||||
if !p.Hidden && p.Shooting && p.Physics.Velocity.Y > -3 {
|
||||
p.Hidden = true
|
||||
if p.ExplosionCall != nil {
|
||||
s.Particles = append(s.Particles, p.ExplosionCall(p.Physics.Position.X, p.Physics.Position.Y, s.Frame.Width, s.Frame.Height)...)
|
||||
}
|
||||
}
|
||||
|
||||
// remove particles that are hidden or out of the side/bottom of the frame
|
||||
if p.Hidden || pos.X > float64(s.Frame.Width) || pos.X < 0 || pos.Y > float64(s.Frame.Height) {
|
||||
s.Particles = RemoveParticleFromArray(s.Particles, i)
|
||||
} else {
|
||||
s.Particles[i].Physics.Update()
|
||||
|
|
@ -40,9 +57,9 @@ func (s *System) Update() {
|
|||
}
|
||||
|
||||
func (s *System) Visible(p Particle) bool {
|
||||
y := int(p.Physics.Position().Y)
|
||||
x := int(p.Physics.Position().X)
|
||||
return y >= 0 && y < s.Frame.Height-1 && x >= 0 && x < s.Frame.Width-1
|
||||
y := int(p.Physics.Position.Y)
|
||||
x := int(p.Physics.Position.X)
|
||||
return !p.Hidden && y >= 0 && y < s.Frame.Height-1 && x >= 0 && x < s.Frame.Width-1
|
||||
}
|
||||
|
||||
func (s *System) Render() string {
|
||||
|
|
@ -53,7 +70,16 @@ func (s *System) Render() string {
|
|||
}
|
||||
for _, p := range s.Particles {
|
||||
if s.Visible(p) {
|
||||
plane[int(p.Physics.Position().Y)][int(p.Physics.Position().X)] = p.Char
|
||||
plane[int(p.Physics.Position.Y)][int(p.Physics.Position.X)] = p.Char
|
||||
if p.Shooting {
|
||||
l := -int(p.Physics.Velocity.Y)
|
||||
for i := 1; i < l; i++ {
|
||||
y := int(p.Physics.Position.Y) + i
|
||||
if y > 0 && y < s.Frame.Height-1 {
|
||||
plane[y][int(p.Physics.Position.X)] = p.TailChar
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
for i := range plane {
|
||||
|
|
|
|||
Loading…
Reference in New Issue