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https://github.com/MapMakersAndProgrammers/alternativaphysics-archive.git
synced 2025-10-27 02:19:09 -07:00
everything i found in leaked code
This commit is contained in:
Tubix
@@ -0,0 +1,427 @@
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package alternativa.physics.collision.colliders {
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import __AS3__.vec.Vector;
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import alternativa.physics.Contact;
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import alternativa.physics.collision.CollisionPrimitive;
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import alternativa.physics.collision.ICollider;
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import alternativa.physics.math.Vector3;
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/**
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*
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*/
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public class BoxCollider implements ICollider {
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/**
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*
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*/
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public function BoxCollider() {
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}
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/**
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* Проверяет наличие пересечения примитивов. Если пересечение существует, заполняется информация о контакте.
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*
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* @param prim1 первый примитив
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* @param prim2 второй примитив
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* @param contact переменная, в которую записывается информация о контакте, если пересечение существует
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* @return true, если пересечение существует, иначе false
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*/
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public function getContact(prim1:CollisionPrimitive, prim2:CollisionPrimitive, contact:Contact):Boolean {
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return false;
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}
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/**
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* Выполняет быстрый тест на наличие пересечения двух примитивов.
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*
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* @param prim1 первый примитив
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* @param prim2 второй примитив
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* @return true, если пересечение существует, иначе false
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*/
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public function haveCollision(prim1:CollisionPrimitive, prim2:CollisionPrimitive):Boolean {
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return false;
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}
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/**
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* Формирует список вершин грани бокса, заданной нормальной к грани осью. Вершины перечисляются против часовой стрелки.
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*
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* @param box бокс, в котором ишутся вершины
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* @param axisIdx индекс нормальной оси
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* @param reverse если указано значение true, возвращаются вершины противоположной грани
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* @param result список, в который помещаются вершины
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*/
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protected function getFaceVertsByAxis(hs:Vector3, axisIdx:int, negativeFace:Boolean, result:Vector.<Vector3>):void {
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var v:Vector3;
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switch (axisIdx) {
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case 0:
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if (negativeFace) {
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v = result[0]; v.x = -hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[1]; v.x = -hs.x; v.y = -hs.y; v.z = -hs.z;
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v = result[2]; v.x = -hs.x; v.y = -hs.y; v.z = hs.z;
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v = result[3]; v.x = -hs.x; v.y = hs.y; v.z = hs.z;
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} else {
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v = result[0]; v.x = hs.x; v.y = -hs.y; v.z = -hs.z;
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v = result[1]; v.x = hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[2]; v.x = hs.x; v.y = hs.y; v.z = hs.z;
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v = result[3]; v.x = hs.x; v.y = -hs.y; v.z = hs.z;
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}
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break;
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case 1:
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if (negativeFace) {
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v = result[0]; v.x = -hs.x; v.y = -hs.y; v.z = -hs.z;
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v = result[1]; v.x = hs.x; v.y = -hs.y; v.z = -hs.z;
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v = result[2]; v.x = hs.x; v.y = -hs.y; v.z = hs.z;
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v = result[3]; v.x = -hs.x; v.y = -hs.y; v.z = hs.z;
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} else {
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v = result[0]; v.x = hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[1]; v.x = -hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[2]; v.x = -hs.x; v.y = hs.y; v.z = hs.z;
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v = result[3]; v.x = hs.x; v.y = hs.y; v.z = hs.z;
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}
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break;
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case 2:
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if (negativeFace) {
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v = result[0]; v.x = -hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[1]; v.x = hs.x; v.y = hs.y; v.z = -hs.z;
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v = result[2]; v.x = hs.x; v.y = -hs.y; v.z = -hs.z;
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v = result[3]; v.x = -hs.x; v.y = -hs.y; v.z = -hs.z;
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} else {
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v = result[0]; v.x = -hs.x; v.y = -hs.y; v.z = hs.z;
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v = result[1]; v.x = hs.x; v.y = -hs.y; v.z = hs.z;
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v = result[2]; v.x = hs.x; v.y = hs.y; v.z = hs.z;
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v = result[3]; v.x = -hs.x; v.y = hs.y; v.z = hs.z;
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}
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break;
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}
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipLowX(x:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var x1:Number = x - epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.x > x1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.x < x1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (x - p1.x)/dx;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.x > x1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (x - p1.x)/dx;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipHighX(x:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var x1:Number = x + epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.x < x1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.x > x1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (x - p1.x)/dx;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.x < x1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (x - p1.x)/dx;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipLowY(y:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var y1:Number = y - epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.y > y1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.y < y1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (y - p1.y)/dy;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.y > y1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (y - p1.y)/dy;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipHighY(y:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var y1:Number = y + epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.y < y1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.y > y1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (y - p1.y)/dy;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.y < y1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (y - p1.y)/dy;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipLowZ(z:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var z1:Number = z - epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.z > z1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.z < z1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (z - p1.z)/dz;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.z > z1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (z - p1.z)/dz;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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/**
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*
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* @param x
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* @param pnum
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* @param points
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* @param result
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* @return
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*/
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protected function clipHighZ(z:Number, pnum:int, points:Vector.<Vector3>, result:Vector.<Vector3>, epsilon:Number):int {
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var z1:Number = z + epsilon;
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var num:int = 0;
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var p1:Vector3 = points[int(pnum - 1)];
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var p2:Vector3;
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var dx:Number;
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var dy:Number;
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var dz:Number;
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var t:Number;
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var v:Vector3;
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for (var i:int = 0; i < pnum; i++) {
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p2 = points[i];
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if (p1.z < z1) {
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v = result[num];
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num++;
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v.x = p1.x;
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v.y = p1.y;
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v.z = p1.z;
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if (p2.z > z1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (z - p1.z)/dz;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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} else if (p2.z < z1) {
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dx = p2.x - p1.x;
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dy = p2.y - p1.y;
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dz = p2.z - p1.z;
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t = (z - p1.z)/dz;
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v = result[num];
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num++;
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v.x = p1.x + t*dx;
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v.y = p1.y + t*dy;
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v.z = p1.z + t*dz;
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}
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p1 = p2;
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}
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return num;
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}
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}
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}
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