提交 920ebceb 编写于 作者: M Mr.doob

Updated builds.

上级 5673a074
......@@ -549,10 +549,10 @@ THREE.MeshCollider=function(b,c){this.mesh=b;this.box=c;this.numFaces=this.mesh.
THREE.CollisionSystem.prototype.rayCastAll=function(b){b.direction.normalize();this.hits.length=0;var c,e,f,g,k=0;c=0;for(e=this.colliders.length;c<e;c++)if(g=this.colliders[c],f=this.rayCast(b,g),f<Number.MAX_VALUE)g.distance=f,f>k?this.hits.push(g):this.hits.unshift(g),k=f;return this.hits};
THREE.CollisionSystem.prototype.rayCastNearest=function(b){var c=this.rayCastAll(b);if(c.length==0)return null;for(var e=0;c[e]instanceof THREE.MeshCollider;){var f=this.rayMesh(b,c[e]);if(f.dist<Number.MAX_VALUE){c[e].distance=f.dist;c[e].faceIndex=f.faceIndex;break}e++}if(e>c.length)return null;return c[e]};
THREE.CollisionSystem.prototype.rayCast=function(b,c){if(c instanceof THREE.PlaneCollider)return this.rayPlane(b,c);else if(c instanceof THREE.SphereCollider)return this.raySphere(b,c);else if(c instanceof THREE.BoxCollider)return this.rayBox(b,c);else if(c instanceof THREE.MeshCollider&&c.box)return this.rayBox(b,c.box)};
THREE.CollisionSystem.prototype.rayMesh=function(b,c){for(var e=this.makeRayLocal(b,c.mesh),f=Number.MAX_VALUE,g,k=0;k<c.numFaces;k++){var h=c.mesh.geometry.faces[k],m=c.mesh.geometry.vertices[h.a].position,n=c.mesh.geometry.vertices[h.b].position,o=c.mesh.geometry.vertices[h.c].position,p=h instanceof THREE.Face4?c.mesh.geometry.vertices[h.d].position:null;h instanceof THREE.Face3?(h=this.rayTriangle(e,m,n,o,f,this.collisionNormal,c.mesh.doubleSided),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),
c.normal.normalize())):h instanceof THREE.Face4&&(h=this.rayTriangle(e,m,n,p,f,this.collisionNormal,c.mesh.doubleSided),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),c.normal.normalize()),h=this.rayTriangle(e,n,o,p,f,this.collisionNormal,c.mesh.doubleSided),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),c.normal.normalize()))}return{dist:f,faceIndex:g}};
THREE.CollisionSystem.prototype.rayTriangle=function(b,c,e,f,g,k,h){var m=THREE.CollisionSystem.__v1,n=THREE.CollisionSystem.__v2;k.set(0,0,0);m.sub(e,c);n.sub(f,e);k.cross(m,n);m=k.dot(b.direction);if(!(m<0))if(h)k.multiplyScalar(-1),m*=-1;else return Number.MAX_VALUE;h=k.dot(c)-k.dot(b.origin);if(!(h<=0))return Number.MAX_VALUE;if(!(h>=m*g))return Number.MAX_VALUE;h/=m;m=THREE.CollisionSystem.__v3;m.copy(b.direction);m.multiplyScalar(h);m.addSelf(b.origin);Math.abs(k.x)>Math.abs(k.y)?Math.abs(k.x)>
Math.abs(k.z)?(b=m.y-c.y,k=e.y-c.y,g=f.y-c.y,m=m.z-c.z,e=e.z-c.z,f=f.z-c.z):(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.y-c.y,e=e.y-c.y,f=f.y-c.y):Math.abs(k.y)>Math.abs(k.z)?(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.z-c.z,e=e.z-c.z,f=f.z-c.z):(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.y-c.y,e=e.y-c.y,f=f.y-c.y);c=k*f-e*g;if(c==0)return Number.MAX_VALUE;c=1/c;f=(b*f-m*g)*c;if(!(f>=0))return Number.MAX_VALUE;c*=k*m-e*b;if(!(c>=0))return Number.MAX_VALUE;if(!(1-f-c>=0))return Number.MAX_VALUE;return h};
THREE.CollisionSystem.prototype.rayMesh=function(b,c){for(var e=this.makeRayLocal(b,c.mesh),f=Number.MAX_VALUE,g,k=0;k<c.numFaces;k++){var h=c.mesh.geometry.faces[k],m=c.mesh.geometry.vertices[h.a].position,n=c.mesh.geometry.vertices[h.b].position,o=c.mesh.geometry.vertices[h.c].position,p=h instanceof THREE.Face4?c.mesh.geometry.vertices[h.d].position:null;h instanceof THREE.Face3?(h=this.rayTriangle(e,m,n,o,f,this.collisionNormal,c.mesh),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),c.normal.normalize())):
h instanceof THREE.Face4&&(h=this.rayTriangle(e,m,n,p,f,this.collisionNormal,c.mesh),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),c.normal.normalize()),h=this.rayTriangle(e,n,o,p,f,this.collisionNormal,c.mesh),h<f&&(f=h,g=k,c.normal.copy(this.collisionNormal),c.normal.normalize()))}return{dist:f,faceIndex:g}};
THREE.CollisionSystem.prototype.rayTriangle=function(b,c,e,f,g,k,h){var m=THREE.CollisionSystem.__v1,n=THREE.CollisionSystem.__v2;k.set(0,0,0);m.sub(e,c);n.sub(f,e);k.cross(m,n);m=k.dot(b.direction);if(!(m<0))if(h.doubleSided||h.flipSided)k.multiplyScalar(-1),m*=-1;else return Number.MAX_VALUE;h=k.dot(c)-k.dot(b.origin);if(!(h<=0))return Number.MAX_VALUE;if(!(h>=m*g))return Number.MAX_VALUE;h/=m;m=THREE.CollisionSystem.__v3;m.copy(b.direction);m.multiplyScalar(h);m.addSelf(b.origin);Math.abs(k.x)>
Math.abs(k.y)?Math.abs(k.x)>Math.abs(k.z)?(b=m.y-c.y,k=e.y-c.y,g=f.y-c.y,m=m.z-c.z,e=e.z-c.z,f=f.z-c.z):(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.y-c.y,e=e.y-c.y,f=f.y-c.y):Math.abs(k.y)>Math.abs(k.z)?(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.z-c.z,e=e.z-c.z,f=f.z-c.z):(b=m.x-c.x,k=e.x-c.x,g=f.x-c.x,m=m.y-c.y,e=e.y-c.y,f=f.y-c.y);c=k*f-e*g;if(c==0)return Number.MAX_VALUE;c=1/c;f=(b*f-m*g)*c;if(!(f>=0))return Number.MAX_VALUE;c*=k*m-e*b;if(!(c>=0))return Number.MAX_VALUE;if(!(1-f-c>=0))return Number.MAX_VALUE;return h};
THREE.CollisionSystem.prototype.makeRayLocal=function(b,c){var e=THREE.CollisionSystem.__m;THREE.Matrix4.makeInvert(c.matrixWorld,e);var f=THREE.CollisionSystem.__r;f.origin.copy(b.origin);f.direction.copy(b.direction);e.multiplyVector3(f.origin);e.rotateAxis(f.direction);f.direction.normalize();return f};
THREE.CollisionSystem.prototype.rayBox=function(b,c){var e;c.dynamic&&c.mesh&&c.mesh.matrixWorld?e=this.makeRayLocal(b,c.mesh):(e=THREE.CollisionSystem.__r,e.origin.copy(b.origin),e.direction.copy(b.direction));var f=0,g=0,k=0,h=0,m=0,n=0,o=!0;e.origin.x<c.min.x?(f=c.min.x-e.origin.x,f/=e.direction.x,o=!1,h=-1):e.origin.x>c.max.x&&(f=c.max.x-e.origin.x,f/=e.direction.x,o=!1,h=1);e.origin.y<c.min.y?(g=c.min.y-e.origin.y,g/=e.direction.y,o=!1,m=-1):e.origin.y>c.max.y&&(g=c.max.y-e.origin.y,g/=e.direction.y,
o=!1,m=1);e.origin.z<c.min.z?(k=c.min.z-e.origin.z,k/=e.direction.z,o=!1,n=-1):e.origin.z>c.max.z&&(k=c.max.z-e.origin.z,k/=e.direction.z,o=!1,n=1);if(o)return-1;o=0;g>f&&(o=1,f=g);k>f&&(o=2,f=k);switch(o){case 0:m=e.origin.y+e.direction.y*f;if(m<c.min.y||m>c.max.y)return Number.MAX_VALUE;e=e.origin.z+e.direction.z*f;if(e<c.min.z||e>c.max.z)return Number.MAX_VALUE;c.normal.set(h,0,0);break;case 1:h=e.origin.x+e.direction.x*f;if(h<c.min.x||h>c.max.x)return Number.MAX_VALUE;e=e.origin.z+e.direction.z*
......
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