msk
101 lines
3.3 KiB
C#
101 lines
3.3 KiB
C#
/**
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* Background.cs
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* Set various properties of the drawn background.
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*
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* by muskit
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* July 1, 2022
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**/
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using Godot;
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using System.Collections.Generic;
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namespace WacK.Things.TunnelObjects
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{
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public enum DrawDirection {
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CounterClockwise, Clockwise, Center
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}
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public partial class Background : Node
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{
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private bool isReady = false;
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private float _drawLength;
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private List<Node3D> segments = new List<Node3D>();
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private StandardMaterial3D bgMaterial;
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[Export]
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public float DrawLength
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{
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set
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{
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_drawLength = value;
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if (!isReady) return;
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bgMaterial.DistanceFadeMinDistance = _drawLength;
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bgMaterial.DistanceFadeMaxDistance = 0;
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foreach (Node segment in segments)
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{
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segment.GetChild<Node3D>(1).Scale = new Vector3(1, _drawLength, 1);
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}
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}
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get { return _drawLength; }
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}
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// Called when the node enters the scene tree for the first time.
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public override void _Ready()
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{
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foreach (Node3D segment in GetChildren())
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{
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segments.Add(segment);
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}
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bgMaterial = (StandardMaterial3D) segments[0].GetChild<CsgPolygon3D>(1).Material;
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isReady = true;
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// DrawLength = DrawLength;
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}
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// draw in 6/60 frames (0.1s)
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// TODO: figure out how WACCA handles animation speed
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public async void SetSegments(int pos, int size, bool state, DrawDirection direction)
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{
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// GD.Print($"{direction} = {state}. Even? {size % 2 == 0}");
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double timer = 0;
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double time = 0.1f;
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int centerSeg = pos + size/2;
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while (timer < 0.1f)
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{
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timer = Mathf.Clamp(timer + GetProcessDeltaTime(), 0, time);
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var timerRatio = (float)(timer / time);
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int steps = Mathf.CeilToInt(size*timerRatio);
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switch(direction)
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{
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case DrawDirection.CounterClockwise:
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for (int i = 0; i < steps; ++i)
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{
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segments[(i + pos)%60].Visible = state;
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}
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break;
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case DrawDirection.Center: // add: center to edge. rem: edge to center.
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for (int i = centerSeg; i < Util.InterpInt(centerSeg, pos+size, timerRatio); ++i)
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{
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segments[i % 60].Visible = state;
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}
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for (int i = centerSeg; i >= Util.InterpInt(centerSeg, pos, timerRatio); --i)
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{
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segments[i % 60].Visible = state;
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}
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break;
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case DrawDirection.Clockwise:
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for (int i = 0; i < steps; ++i)
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{
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segments[(pos + size - i - 1)%60].Visible = state;
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}
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break;
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}
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await ToSignal(GetTree(), "idle_frame");
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}
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}
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}
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}
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