dbc522a224
Modified weapon scripts to eliminate specialized projectile behavior - allows charged weapons to have projectiles and modify weapon stats when charged Added machine gun weapon & VFX Moved third party code to Plugins folder to improve compile times
72 lines
No EOL
2.4 KiB
C#
72 lines
No EOL
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.Msagl.Core.Geometry;
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using Microsoft.Msagl.Core.Layout;
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using Microsoft.Msagl.Layout.Incremental;
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namespace Microsoft.Msagl.Prototype.Constraints {
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/// <summary>
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/// This doesn't work yet, but it will be a constraint that aligns nodes, optionally to some fixed orientation (horizontal, vertical, 45 degrees, etc).
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/// </summary>
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public class AlignmentConstraint : IConstraint {
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List<Node> nodes;
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/// <summary>
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/// Create an alignment constraint for the given set of nodes
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/// </summary>
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/// <param name="nodes"></param>
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public AlignmentConstraint(IEnumerable<Node> nodes) {
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this.nodes = nodes.ToList();
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}
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void leastSquaresLineFit(out double a, out double b) {
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double mx = 0, my = 0, sx2 = 0, sy2 = 0, sxy=0, n = nodes.Count;
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foreach (var v in nodes) {
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double x = v.Center.X, y = v.Center.Y;
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mx += x;
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my += y;
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sx2 += x * x;
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sy2 += y * y;
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sxy += x * y;
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}
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mx /= n;
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my /= n;
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double B = 0.5*((sy2 - n * my * my) - (sx2 - n * mx * mx)) / (n * mx * my - sxy);
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b = Math.Sqrt(B * B + 1) - B;
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//b = - Math.Sqrt(B * B + 1) - B;
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a = my - b * mx;
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}
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#region IConstraint Members
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/// <summary>
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/// project using a perpendicular least-squares fit
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/// </summary>
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/// <returns></returns>
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public double Project() {
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double a, b, d=0;
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leastSquaresLineFit(out a, out b);
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// project to the line y = a + b x
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foreach (var v in nodes) {
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double x0 = v.Center.X, y0 = v.Center.Y;
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double x = (b * y0 + x0 ) / (b * b + 1.0);
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double y = a + b * x;
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Point p = new Point(x, y);
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d = (v.Center - p).Length;
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v.Center = p;
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}
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return d;
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}
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/// <summary>
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/// level 1
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/// </summary>
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public int Level {
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get { return 1; }
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}
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/// <summary>
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/// Get the list of nodes involved in the constraint
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/// </summary>
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public IEnumerable<Node> Nodes { get { return nodes;} }
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#endregion
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}
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} |