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Repeated explosions

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This commit is contained in:
Maas Lalani 2021-08-07 16:13:35 -04:00
parent 144683aacb
commit 34aae6c34c
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GPG Key ID: F53774FA051C052A
1 changed files with 22 additions and 9 deletions
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31
confetty/confetty.go
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@ -96,9 +96,25 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
// frame animation
case frameMsg:
particlesVisible := numParticles
for _, p := range m.particles {
p.physics.Update()
y := p.physics.PosY()
x := p.physics.PosX()
// Particle is out of view
if y >= m.viewport.Height-1 || x < 0 || x >= m.viewport.Width-1 {
particlesVisible -= 1
}
}
if particlesVisible <= 0 {
for _, p := range m.particles {
p.physics.Reset()
}
}
return m, animate()
case tea.WindowSizeMsg:
@ -113,10 +129,14 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
// View displays all the particles on the screen
func (m model) View() string {
if m.viewport.Height <= 0 || m.viewport.Width <= 0 {
height := m.viewport.Height
width := m.viewport.Width
if height <= 0 || width <= 0 {
return ""
}
var out strings.Builder
grid := make([][]string, m.viewport.Height)
for i := range grid {
grid[i] = make([]string, m.viewport.Width)
@ -126,14 +146,7 @@ func (m model) View() string {
y := p.physics.PosY()
x := p.physics.PosX()
if y < 0 {
continue
}
// Particle is out of view
if y >= m.viewport.Height-1 || x < 0 || x >= m.viewport.Width-1 {
// loop motion
p.physics.Reset()
if y < 0 || x < 0 || y >= height-1 || x >= width-1 {
continue
}