Zacharias-Brohn
56 lines
1.9 KiB
Rust
56 lines
1.9 KiB
Rust
//! Edge glow animation for visual feedback.
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//!
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//! Creates an organic glow effect when navigation fails: a single light node appears at center,
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//! then splits into two that travel outward to the corners while fading.
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use crate::terminal::Direction;
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/// Edge glow animation state for visual feedback when navigation fails.
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/// Creates an organic glow effect: a single light node appears at center,
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/// then splits into two that travel outward to the corners while fading.
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/// Animation logic is handled in the shader (shader.wgsl).
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#[derive(Debug, Clone, Copy)]
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pub struct EdgeGlow {
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/// Which edge to glow (based on the direction the user tried to navigate).
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pub direction: Direction,
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/// When the animation started.
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pub start_time: std::time::Instant,
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/// Pane bounds - left edge in pixels.
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pub pane_x: f32,
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/// Pane bounds - top edge in pixels.
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pub pane_y: f32,
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/// Pane bounds - width in pixels.
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pub pane_width: f32,
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/// Pane bounds - height in pixels.
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pub pane_height: f32,
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}
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impl EdgeGlow {
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/// Duration of the glow animation in milliseconds.
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pub const DURATION_MS: u64 = 500;
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/// Create a new edge glow animation constrained to a pane's bounds.
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pub fn new(direction: Direction, pane_x: f32, pane_y: f32, pane_width: f32, pane_height: f32) -> Self {
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Self {
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direction,
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start_time: std::time::Instant::now(),
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pane_x,
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pane_y,
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pane_width,
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pane_height,
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}
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}
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/// Get the current animation progress (0.0 to 1.0).
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pub fn progress(&self) -> f32 {
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let elapsed = self.start_time.elapsed().as_millis() as f32;
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let duration = Self::DURATION_MS as f32;
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(elapsed / duration).min(1.0)
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}
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/// Check if the animation has completed.
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pub fn is_finished(&self) -> bool {
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self.progress() >= 1.0
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}
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}
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