Electroblob
49 lines
1.2 KiB
Java
49 lines
1.2 KiB
Java
package electroblob.wizardry.client.renderer;
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/** Instances of this class can calculate their distance from the camera viewpoint and sort themselves accordingly. */
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class RayHelper implements Comparable<RayHelper> {
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int ordinal;
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double x1, y1, z1;
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double x2, y2, z2;
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double offsetX, offsetY, offsetZ;
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RayHelper(int ordinal, double x1, double y1, double z1, double x2, double y2, double z2, double offsetX, double offsetY, double offsetZ){
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this.ordinal = ordinal;
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this.x1 = x1;
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this.y1 = y1;
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this.z1 = z1;
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this.x2 = x2;
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this.y2 = y2;
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this.z2 = z2;
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this.offsetX = offsetX;
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this.offsetY = offsetY;
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this.offsetZ = offsetZ;
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}
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double getDistanceFromViewpoint(){
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double midX = (x1+x2)/2;
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double midY = (y1+y2)/2;
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double midZ = (z1+z2)/2;
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double absoluteX = offsetX+midX;
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double absoluteY = offsetY+midY;
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double absoluteZ = offsetZ+midZ;
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return Math.sqrt(absoluteX*absoluteX + absoluteY*absoluteY + absoluteZ*absoluteZ);
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}
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@Override
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public int compareTo(RayHelper ray){
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if(this.getDistanceFromViewpoint() > ray.getDistanceFromViewpoint()){
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return -1;
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}else if(this.getDistanceFromViewpoint() < ray.getDistanceFromViewpoint()){
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return 1;
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}else{
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return 0;
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}
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}
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}
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