提交 66b34bbd 编写于 作者: A alteredq

Added docs for Vector4. Also small fix to Vector4.

上级 7fd996a8
......@@ -14,8 +14,8 @@ addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,
divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;
this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes;c[0].set(a.n41-a.n11,a.n42-a.n12,a.n43-a.n13,a.n44-a.n14);c[1].set(a.n41+a.n11,a.n42+a.n12,a.n43+a.n13,a.n44+a.n14);c[2].set(a.n41+a.n21,a.n42+a.n22,a.n43+a.n23,a.n44+a.n24);c[3].set(a.n41-a.n21,a.n42-a.n22,a.n43-a.n23,a.n44-a.n24);c[4].set(a.n41-a.n31,a.n42-a.n32,a.n43-a.n33,a.n44-a.n34);c[5].set(a.n41+a.n31,a.n42+a.n32,a.n43+a.n33,a.n44+a.n34);for(a=0;6>a;a++)b=c[a],b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))};
THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=THREE.Frustum.__v1.set(c.getColumnX().length(),c.getColumnY().length(),c.getColumnZ().length()),d=-a.geometry.boundingSphere.radius*Math.max(d.x,Math.max(d.y,d.z)),f=0;6>f;f++)if(a=b[f].x*c.n14+b[f].y*c.n24+b[f].z*c.n34+b[f].w,a<=d)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
......
......@@ -13,8 +13,8 @@ addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,
divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;
this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes;c[0].set(a.n41-a.n11,a.n42-a.n12,a.n43-a.n13,a.n44-a.n14);c[1].set(a.n41+a.n11,a.n42+a.n12,a.n43+a.n13,a.n44+a.n14);c[2].set(a.n41+a.n21,a.n42+a.n22,a.n43+a.n23,a.n44+a.n24);c[3].set(a.n41-a.n21,a.n42-a.n22,a.n43-a.n23,a.n44-a.n24);c[4].set(a.n41-a.n31,a.n42-a.n32,a.n43-a.n33,a.n44-a.n34);c[5].set(a.n41+a.n31,a.n42+a.n32,a.n43+a.n33,a.n44+a.n34);for(a=0;6>a;a++)b=c[a],b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))};
THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=THREE.Frustum.__v1.set(c.getColumnX().length(),c.getColumnY().length(),c.getColumnZ().length()),d=-a.geometry.boundingSphere.radius*Math.max(d.x,Math.max(d.y,d.z)),e=0;6>e;e++)if(a=b[e].x*c.n14+b[e].y*c.n24+b[e].z*c.n34+b[e].w,a<=d)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
......
......@@ -13,8 +13,8 @@ addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,
divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;
this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes;c[0].set(a.n41-a.n11,a.n42-a.n12,a.n43-a.n13,a.n44-a.n14);c[1].set(a.n41+a.n11,a.n42+a.n12,a.n43+a.n13,a.n44+a.n14);c[2].set(a.n41+a.n21,a.n42+a.n22,a.n43+a.n23,a.n44+a.n24);c[3].set(a.n41-a.n21,a.n42-a.n22,a.n43-a.n23,a.n44-a.n24);c[4].set(a.n41-a.n31,a.n42-a.n32,a.n43-a.n33,a.n44-a.n34);c[5].set(a.n41+a.n31,a.n42+a.n32,a.n43+a.n33,a.n44+a.n34);for(a=0;6>a;a++)b=c[a],b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))};
THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=THREE.Frustum.__v1.set(c.getColumnX().length(),c.getColumnY().length(),c.getColumnZ().length()),d=-a.geometry.boundingSphere.radius*Math.max(d.x,Math.max(d.y,d.z)),e=0;6>e;e++)if(a=b[e].x*c.n14+b[e].y*c.n24+b[e].z*c.n34+b[e].w,a<=d)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
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......@@ -13,8 +13,8 @@ addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,
divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;
this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes;c[0].set(a.n41-a.n11,a.n42-a.n12,a.n43-a.n13,a.n44-a.n14);c[1].set(a.n41+a.n11,a.n42+a.n12,a.n43+a.n13,a.n44+a.n14);c[2].set(a.n41+a.n21,a.n42+a.n22,a.n43+a.n23,a.n44+a.n24);c[3].set(a.n41-a.n21,a.n42-a.n22,a.n43-a.n23,a.n44-a.n24);c[4].set(a.n41-a.n31,a.n42-a.n32,a.n43-a.n33,a.n44-a.n34);c[5].set(a.n41+a.n31,a.n42+a.n32,a.n43+a.n33,a.n44+a.n34);for(a=0;6>a;a++)b=c[a],b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))};
THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=THREE.Frustum.__v1.set(c.getColumnX().length(),c.getColumnY().length(),c.getColumnZ().length()),d=-a.geometry.boundingSphere.radius*Math.max(d.x,Math.max(d.y,d.z)),e=0;6>e;e++)if(a=b[e].x*c.n14+b[e].y*c.n24+b[e].z*c.n34+b[e].w,a<=d)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
......
......@@ -13,8 +13,8 @@ addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,
divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;
this.z=a.z-b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
THREE.Frustum.prototype.setFromMatrix=function(a){var b,c=this.planes;c[0].set(a.n41-a.n11,a.n42-a.n12,a.n43-a.n13,a.n44-a.n14);c[1].set(a.n41+a.n11,a.n42+a.n12,a.n43+a.n13,a.n44+a.n14);c[2].set(a.n41+a.n21,a.n42+a.n22,a.n43+a.n23,a.n44+a.n24);c[3].set(a.n41-a.n21,a.n42-a.n22,a.n43-a.n23,a.n44-a.n24);c[4].set(a.n41-a.n31,a.n42-a.n32,a.n43-a.n33,a.n44-a.n34);c[5].set(a.n41+a.n31,a.n42+a.n32,a.n43+a.n33,a.n44+a.n34);for(a=0;6>a;a++)b=c[a],b.divideScalar(Math.sqrt(b.x*b.x+b.y*b.y+b.z*b.z))};
THREE.Frustum.prototype.contains=function(a){for(var b=this.planes,c=a.matrixWorld,d=THREE.Frustum.__v1.set(c.getColumnX().length(),c.getColumnY().length(),c.getColumnZ().length()),d=-a.geometry.boundingSphere.radius*Math.max(d.x,Math.max(d.y,d.z)),e=0;6>e;e++)if(a=b[e].x*c.n14+b[e].y*c.n24+b[e].z*c.n34+b[e].w,a<=d)return!1;return!0};THREE.Frustum.__v1=new THREE.Vector3;
......
......@@ -17,8 +17,13 @@ Vector2 - 2D vector
.. ...............................................................................
.. attribute:: Vector2.x
float - default ``0``
.. attribute:: Vector2.y
float - default ``0``
.. ...............................................................................
.. rubric:: Methods
.. ...............................................................................
......
......@@ -18,9 +18,17 @@ Vector3 - 3D vector
.. ...............................................................................
.. attribute:: Vector3.x
float - default ``0``
.. attribute:: Vector3.y
float - default ``0``
.. attribute:: Vector3.z
float - default ``0``
.. ...............................................................................
.. rubric:: Methods
.. ...............................................................................
......@@ -112,7 +120,7 @@ Vector3 - 3D vector
:param float s: scalar
:returns: This vector
:rtype: :class:`Vector2`
:rtype: :class:`Vector3`
.. function:: Vector3.divideScalar( s )
......
Vector4 - 4D vector
-------------------
.. ...............................................................................
.. rubric:: Constructor
.. ...............................................................................
.. class:: Vector4()
.. class:: Vector4( x, y, z, w )
4D vector
:param float x: x-coordinate
:param float y: y-coordinate
:param float z: z-coordinate
:param float w: w-coordinate
.. ...............................................................................
.. rubric:: Attributes
.. ...............................................................................
.. attribute:: Vector4.x
float - default ``0``
.. attribute:: Vector4.y
float - default ``0``
.. attribute:: Vector4.z
float - default ``0``
.. attribute:: Vector4.w
float - default ``1``
.. ...............................................................................
.. rubric:: Methods
.. ...............................................................................
.. function:: Vector4.clone( )
Clones this vector
:returns: New instance identical to this vector
:rtype: :class:`Vector4`
.. function:: Vector4.set( x, y, z, w )
Sets value of this vector
:param float x: x-coordinate
:param float y: y-coordinate
:param float z: z-coordinate
:param float w: w-coordinate
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.copy( v )
Copies value of ``v`` to this vector
Sets ``w`` to 1 if ``v.w`` is undefined
:param Vector4 v: source vector
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.add( v1, v2 )
Sets this vector to ``v1 + v2``
:param Vector4 v1: source vector 1
:param Vector4 v2: source vector 2
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.addSelf( v )
Adds ``v`` to this vector
:param Vector4 v: source vector
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.sub( v1, v2 )
Sets this vector to ``v1 - v2``
:param Vector4 v1: source vector 1
:param Vector4 v2: source vector 2
.. function:: Vector4.subSelf( v )
Subtracts ``v`` from this vector
:param Vector4 v: source vector
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.multiplyScalar( s )
Multiplies this vector by scalar ``s``
:param float s: scalar
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.divideScalar( s )
Divides this vector by scalar ``s``
Set vector to ``( 0, 0, 0, 1 )`` if ``s == 0``
:param float s: scalar
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.negate( )
Inverts this vector
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.dot( v )
Computes dot product of this vector and ``v``
:param Vector4 v: vector
:returns: dot product
:rtype: float
.. function:: Vector4.lengthSq( )
Computes squared length of this vector
:returns: squared length
:rtype: float
.. function:: Vector4.length( )
Computes length of this vector
:returns: length
:rtype: float
.. function:: Vector4.normalize( )
Normalizes this vector
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.setLength( l )
Normalizes this vector and multiplies it by ``l``
:returns: This vector
:rtype: :class:`Vector4`
.. function:: Vector4.lerpSelf( v, alpha )
Linearly interpolate between this vector and ``v`` with ``alpha`` factor
:param Vector4 v: vector
:param float alpha: interpolation factor
:returns: This vector
:rtype: :class:`Vector4`
.. ...............................................................................
.. rubric:: Example
.. ...............................................................................
.. rubric:: Method
::
.. rubric:: Example(s)
\ No newline at end of file
var a = new THREE.Vector4( 1, 0, 0, 0 );
\ No newline at end of file
......@@ -36,6 +36,8 @@ THREE.Vector4.prototype = {
this.z = v.z;
this.w = ( v.w !== undefined ) ? v.w : 1;
return this;
},
clone: function () {
......
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