56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
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function main() {
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console.log("%s initialized!", Self.Doodad.Title);
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var timer = 0;
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// Animation frames.
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var frame = 0;
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var frames = Self.LayerCount();
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var animationDirection = 1; // forward or backward
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var animationSpeed = 100; // interval between frames when animating
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var animationDelay = 8; // delay ticks at the end before reversing, in
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// multiples of animationSpeed
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var delayCountdown = 0;
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var animating = false; // true if animation is actively happening
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console.warn("Trapdoor has %d frames", frames);
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// Animation interval function.
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setInterval(function() {
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if (!animating) {
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return;
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}
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// At the end of the animation (door is open), delay before resuming
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// the close animation.
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if (delayCountdown > 0) {
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delayCountdown--;
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return;
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}
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// Advance the frame forwards or backwards.
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frame += animationDirection;
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if (frame >= frames) {
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// Reached the last frame, start the pause and reverse direction.
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delayCountdown = animationDelay;
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animationDirection = -1;
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// also bounds check it
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frame = frames - 1;
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}
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if (frame < 0) {
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// reached the start again
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frame = 0;
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animationDirection = 1;
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animating = false;
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}
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Self.ShowLayer(frame);
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}, animationSpeed);
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Events.OnCollide( function() {
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animating = true; // start the animation
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})
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}
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