Orkuncakilkaya
19fcf60599
ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic 1804 vars into 126 states, 64 into lets; 23498 edits in 460 files Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
29 lines
1.4 KiB
Text
29 lines
1.4 KiB
Text
# ui_anim.ludic — CSS animation and transition on ludic.ui's frame clock (sixty frames a second
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# when the renderer gives no clock of its own): a fade-in from @keyframes, a pulse that loops back
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# and forth, and a transition easing an opacity that changed.
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import "ludic.ui"
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program UiAnim {
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numbers float
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state UiAnimState {
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dim: bool = false
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}
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view Anim (ui_anim_st: UiAnimState) {
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dim = ui_anim_st.dim
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}
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const PAGE: string = "<ui><style>@keyframes fade { from { opacity: 0 } to { opacity: 1 } }\n@keyframes pulse { from { opacity: 1 } to { opacity: 0.5 } }\n.in { animation: fade 1s }\n.beat { animation: pulse 0.5s infinite alternate }\n.soft { transition: opacity 1s }\n.dim { opacity: 0.2 }</style><screen name='a'><p class='in'>a</p><p class='beat'>b</p><p class=\"soft {dim ? 'dim' : ''}\">c</p></screen></ui>"
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function at(ui_st: mut UiState) -> string {
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ui_show(ui_st, "a", view_anim(), 0.0, 0.0, 200.0, 200.0)
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let r: UiNode = ui_nodes(ui_st, "a", view_anim())
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return `{int(r.children[0].alpha * 100.0)} {int(r.children[1].alpha * 100.0)} {int(r.children[2].alpha * 100.0)}`
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}
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entry (ui_anim_st: mut UiAnimState, ui_st: mut UiState) {
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ui_load_text(ui_st, PAGE, "a.xml")
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var out = at(ui_st)
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for i in 0 .. 29 { at(ui_st) }
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out = out + " | " + at(ui_st)
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ui_anim_st.dim = true
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for i in 0 .. 29 { at(ui_st) }
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out = out + " | " + at(ui_st)
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print(out)
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}
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}
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