Worked on using sphere cords for orbit calcs (untested)
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2 changed files with 24 additions and 12 deletions
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@ -1,19 +1,30 @@
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package dark.library.math;
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import universalelectricity.core.vector.Vector3;
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import dark.library.helpers.Pair;
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public class LinearAlg
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{
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public Pair<Double, Double> vecToSphereAngles(Vector3 vec)
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/**
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* @param vec - vector3 that is on the sphere
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* @return new Vector3(radius, inclination, azimuth)
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*/
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public static Vector3 vecToSphereAngles(Vector3 vec)
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{
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double radius = Math.sqrt((vec.x * vec.x) + (vec.y * vec.y) + (vec.z * vec.z));
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double inclination = Math.acos(vec.z / radius);
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double azimuth = Math.atan(vec.y / vec.z);
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return new Pair<Double, Double>(inclination, azimuth);
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return new Vector3(radius, inclination, azimuth);
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}
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public Vector3 sphereAnglesToVec(Double radius, Double inclination, Double azimuth)
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/**
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* Turns radius and sphere cords into a vector3
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*
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* @param radius - sphere radius
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* @param inclination -
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* @param azimuth
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* @return Vector3(x,y,z)
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*/
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public static Vector3 sphereAnglesToVec(Double radius, Double inclination, Double azimuth)
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{
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double x = radius * Math.sin(inclination) * Math.cos(azimuth);
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double y = radius * Math.sin(inclination) * Math.sin(azimuth);
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@ -5,6 +5,7 @@ import java.util.Iterator;
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import java.util.Map.Entry;
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import dark.library.helpers.Pair;
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import dark.library.math.LinearAlg;
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import net.minecraft.entity.Entity;
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import universalelectricity.core.vector.Vector3;
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@ -22,7 +23,7 @@ public class NetworkOrbit
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public static int maxObjects = 20;
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/* CURRENT RADIUS OF THE CIRCLE */
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float orbitRadius;
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Double orbitRadius;
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/* CHANGE IN ROTATION OF THE CIRCLE X Y Z */
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Vector3 rotationChange = new Vector3(0, 0, 0);
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@ -97,7 +98,7 @@ public class NetworkOrbit
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/**
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* Ideal minimal radius needed for the number of objects
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*/
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public float getMinRadius()
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public double getMinRadius()
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{
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float width = 0;
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Iterator<Entry<IOrbitingEntity, Integer>> it = this.getOrbitMemebers().entrySet().iterator();
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@ -125,15 +126,15 @@ public class NetworkOrbit
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*/
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public Vector3 getOrbitOffset(int pos)
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{
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float minRadius = this.getMinRadius();
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double minRadius = this.getMinRadius();
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if (this.orbitRadius < minRadius)
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{
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this.orbitRadius = minRadius;
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}
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float spacing = this.orbitRadius / this.getOrbitMemebers().size();
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double spacing = this.orbitRadius / this.getOrbitMemebers().size();
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double x = this.orbitRadius * Math.cos((spacing * pos) + this.getRotation().y);
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double z = this.orbitRadius * Math.sin((spacing * pos) + this.getRotation().y);
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return null;
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}
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double inclination = 0;
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double azimuth = (spacing * pos) + this.getRotation().y;
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return LinearAlg.sphereAnglesToVec(this.orbitRadius, inclination, azimuth);
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}
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}
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