wip(0.S3): packages and examples migrated in one run - ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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172 changed files with 3094 additions and 2966 deletions
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@ -1,32 +1,28 @@
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# transition.ludic - `transition: opacity 0.2s`: when an element's opacity changes from one frame to
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# the next it eases to the new value over that time instead of jumping (opacity is the property a
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# game fades most; the others arrive as they are)
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var tr_keys: []string = new []string
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var tr_from: []float = new []float
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var tr_to: []float = new []float
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var tr_at: []float = new []float
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function tr_apply(n: UiNode) -> void {
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function tr_apply(ui_st: mut UiState, n: UiNode) -> void {
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if n.tr_dur <= 0.0 { return }
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let now = an_now()
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let now = an_now(ui_st)
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let want = n.alpha
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for i in 0 .. len(tr_keys) {
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if tr_keys[i] == n.key {
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if tr_to[i] != want {
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tr_from[i] = tr_value(i, now, n.tr_dur)
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tr_to[i] = want
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tr_at[i] = now
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for i in 0 .. len(ui_st.tr_keys) {
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if ui_st.tr_keys[i] == n.key {
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if ui_st.tr_to[i] != want {
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ui_st.tr_from[i] = tr_value(ui_st, i, now, n.tr_dur)
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ui_st.tr_to[i] = want
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ui_st.tr_at[i] = now
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}
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n.alpha = tr_value(i, now, n.tr_dur)
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n.alpha = tr_value(ui_st, i, now, n.tr_dur)
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return
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}
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}
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push(tr_keys, n.key)
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push(tr_from, want)
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push(tr_to, want)
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push(tr_at, now)
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push(ui_st.tr_keys, n.key)
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push(ui_st.tr_from, want)
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push(ui_st.tr_to, want)
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push(ui_st.tr_at, now)
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}
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function tr_value(i: int, now: float, dur: float) -> float {
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let t = Math.clamp((now - tr_at[i]) / dur, 0.0, 1.0)
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if t >= 1.0 { return tr_to[i] }
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return tr_from[i] + (tr_to[i] - tr_from[i]) * t
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function tr_value(ui_st: UiState, i: int, now: float, dur: float) -> float {
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let t = Math.clamp((now - ui_st.tr_at[i]) / dur, 0.0, 1.0)
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if t >= 1.0 { return ui_st.tr_to[i] }
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return ui_st.tr_from[i] + (ui_st.tr_to[i] - ui_st.tr_from[i]) * t
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}
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