47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package feedback
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import (
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/icon"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type AchievementOptions struct {
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// Cue shows the card each time it changes.
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Cue int
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// Width is in dots; zero means 200.
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Width int
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}
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// Achievement slides a trophy card in, holds it, then out.
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func Achievement(c *ui.Context, title string, o AchievementOptions) *ui.Element {
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k := pixel.K(c)
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w := pixel.Or("Achievement Width", o.Width, 200)
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e := ui.Box(c)
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// Ten steps a second; in by 5, gone by 40.
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step := k.Since(c, cue(e, k, o.Cue), 10, 40)
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if step >= 40 {
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return e
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}
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out := 0
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switch {
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case k.Reduce():
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case step < 5:
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out = 5 - step
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case step >= 35:
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out = step - 34
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}
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head := k.Msg("achievement")
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return e.Role(ui.RoleStatus).Label(head+" "+title).Size(k.D(w), k.D(40)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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x := out * w / 5
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g.Clip(0, 0, g.W, g.H, func() {
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g.Frame(x, 0, w, 40, pixel.Window, pixel.Face)
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g.Sprite(x+6, 8, icon.Trophy, 0, pixel.Warn, 2)
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g.Text(x+36, 4, head, pixel.Faint, 1)
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g.Text(x+36, 20, title, pixel.Ink, 1)
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})
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})
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}
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