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three.js

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提交 0d2d02c0 编写于 作者: M Mr.doob
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build/three.js
浏览文件 @ 0d2d02c0
...@@ -7961,27 +7961,6 @@ THREE.Projector = function () { ...@@ -7961,27 +7961,6 @@ THREE.Projector = function () {
}; };
var projectVertex = function ( vertex ) {
var position = vertex.position;
var positionWorld = vertex.positionWorld;
var positionScreen = vertex.positionScreen;
positionWorld.copy( position ).applyMatrix4( _modelMatrix );
positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
var invW = 1 / positionScreen.w;
positionScreen.x *= invW;
positionScreen.y *= invW;
positionScreen.z *= invW;
vertex.visible = positionScreen.x >= -1 && positionScreen.x <= 1 &&
positionScreen.y >= -1 && positionScreen.y <= 1 &&
positionScreen.z >= -1 && positionScreen.z <= 1;
};
var projectObject = function ( object ) { var projectObject = function ( object ) {
if ( object.visible === false ) return; if ( object.visible === false ) return;
...@@ -8030,11 +8009,105 @@ THREE.Projector = function () { ...@@ -8030,11 +8009,105 @@ THREE.Projector = function () {
}; };
var RenderState = function () {
var object = null;
var setObject = function ( value ) {
object = value;
};
var projectVertex = function ( vertex ) {
var position = vertex.position;
var positionWorld = vertex.positionWorld;
var positionScreen = vertex.positionScreen;
positionWorld.copy( position ).applyMatrix4( _modelMatrix );
positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
var invW = 1 / positionScreen.w;
positionScreen.x *= invW;
positionScreen.y *= invW;
positionScreen.z *= invW;
vertex.visible = positionScreen.x >= -1 && positionScreen.x <= 1 &&
positionScreen.y >= -1 && positionScreen.y <= 1 &&
positionScreen.z >= -1 && positionScreen.z <= 1;
};
var handleVertex = function ( x, y, z ) {
_vertex = getNextVertexInPool();
_vertex.position.set( x, y, z );
projectVertex( _vertex );
};
var checkTriangleVisibility = function ( v1, v2, v3 ) {
_points3[ 0 ] = v1.positionScreen;
_points3[ 1 ] = v2.positionScreen;
_points3[ 2 ] = v3.positionScreen;
if ( v1.visible === true || v2.visible === true || v3.visible === true ||
_clipBox.isIntersectionBox( _boundingBox.setFromPoints( _points3 ) ) ) {
return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
( v2.positionScreen.y - v1.positionScreen.y ) -
( v3.positionScreen.y - v1.positionScreen.y ) *
( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
}
return false;
};
var handleTriangle = function ( a, b, c ) {
var v1 = _vertexPool[ a ];
var v2 = _vertexPool[ b ];
var v3 = _vertexPool[ c ];
if ( checkTriangleVisibility( v1, v2, v3 ) === true ) {
_face = getNextFace3InPool();
_face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
_face.material = object.material;
_renderData.elements.push( _face );
}
};
return {
setObject: setObject,
projectVertex: projectVertex,
checkTriangleVisibility: checkTriangleVisibility,
handleVertex: handleVertex,
handleTriangle: handleTriangle
}
};
var renderState = new RenderState();
this.projectScene = function ( scene, camera, sortObjects, sortElements ) { this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
var visible = false, var object, geometry, vertices, faces, face, faceVertexNormals, faceVertexUvs, uvs,
object, geometry, vertices, faces, face, faceVertexNormals, faceVertexUvs, uvs, isFaceMaterial, objectMaterials;
v1, v2, v3, v4, isFaceMaterial, objectMaterials;
_face3Count = 0; _face3Count = 0;
_lineCount = 0; _lineCount = 0;
...@@ -8058,6 +8131,8 @@ THREE.Projector = function () { ...@@ -8058,6 +8131,8 @@ THREE.Projector = function () {
object = _renderData.objects[ o ].object; object = _renderData.objects[ o ].object;
renderState.setObject( object );
_modelMatrix = object.matrixWorld; _modelMatrix = object.matrixWorld;
_vertexCount = 0; _vertexCount = 0;
...@@ -8066,176 +8141,192 @@ THREE.Projector = function () { ...@@ -8066,176 +8141,192 @@ THREE.Projector = function () {
geometry = object.geometry; geometry = object.geometry;
vertices = geometry.vertices; if ( geometry instanceof THREE.BufferGeometry ) {
faces = geometry.faces;
faceVertexUvs = geometry.faceVertexUvs;
_normalMatrix.getNormalMatrix( _modelMatrix ); var attributes = geometry.attributes;
isFaceMaterial = object.material instanceof THREE.MeshFaceMaterial; if ( attributes.position !== undefined ) {
objectMaterials = isFaceMaterial === true ? object.material : null;
for ( var v = 0, vl = vertices.length; v < vl; v ++ ) { var positions = attributes.position.array;
_vertex = getNextVertexInPool(); for ( var i = 0, l = positions.length; i < l; i += 3 ) {
_vertex.position.copy( vertices[ v ] );
projectVertex( _vertex ); renderState.handleVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
} }
for ( var f = 0, fl = faces.length; f < fl; f ++ ) { if ( attributes.index !== undefined ) {
face = faces[ f ]; var indices = attributes.index.array;
var material = isFaceMaterial === true for ( var i = 0, l = indices.length; i < l; i += 3 ) {
? objectMaterials.materials[ face.materialIndex ]
: object.material;
if ( material === undefined ) continue; renderState.handleTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
var side = material.side; }
v1 = _vertexPool[ face.a ]; } else {
v2 = _vertexPool[ face.b ];
v3 = _vertexPool[ face.c ];
if ( material.morphTargets === true ) { for ( var i = 0, l = positions.length; i < l; i += 3 ) {
var morphTargets = geometry.morphTargets; renderState.handleTriangle( i, i + 1, i + 2 );
var morphInfluences = object.morphTargetInfluences;
var v1p = v1.position; }
var v2p = v2.position;
var v3p = v3.position;
_vA.set( 0, 0, 0 ); }
_vB.set( 0, 0, 0 );
_vC.set( 0, 0, 0 );
for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) { }
var influence = morphInfluences[ t ]; } else if ( geometry instanceof THREE.Geometry ) {
if ( influence === 0 ) continue; vertices = geometry.vertices;
faces = geometry.faces;
faceVertexUvs = geometry.faceVertexUvs;
var targets = morphTargets[ t ].vertices; _normalMatrix.getNormalMatrix( _modelMatrix );
_vA.x += ( targets[ face.a ].x - v1p.x ) * influence; isFaceMaterial = object.material instanceof THREE.MeshFaceMaterial;
_vA.y += ( targets[ face.a ].y - v1p.y ) * influence; objectMaterials = isFaceMaterial === true ? object.material : null;
_vA.z += ( targets[ face.a ].z - v1p.z ) * influence;
_vB.x += ( targets[ face.b ].x - v2p.x ) * influence; for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
_vB.y += ( targets[ face.b ].y - v2p.y ) * influence;
_vB.z += ( targets[ face.b ].z - v2p.z ) * influence;
_vC.x += ( targets[ face.c ].x - v3p.x ) * influence; var vertex = vertices[ v ];
_vC.y += ( targets[ face.c ].y - v3p.y ) * influence; renderState.handleVertex( vertex.x, vertex.y, vertex.z );
_vC.z += ( targets[ face.c ].z - v3p.z ) * influence;
} }
v1.position.add( _vA ); for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
v2.position.add( _vB );
v3.position.add( _vC );
projectVertex( v1 ); face = faces[ f ];
projectVertex( v2 );
projectVertex( v3 );
} var material = isFaceMaterial === true
? objectMaterials.materials[ face.materialIndex ]
: object.material;
_points3[ 0 ] = v1.positionScreen; if ( material === undefined ) continue;
_points3[ 1 ] = v2.positionScreen;
_points3[ 2 ] = v3.positionScreen;
if ( v1.visible === true || v2.visible === true || v3.visible === true || var side = material.side;
_clipBox.isIntersectionBox( _boundingBox.setFromPoints( _points3 ) ) ) {
visible = ( ( v3.positionScreen.x - v1.positionScreen.x ) * var v1 = _vertexPool[ face.a ];
( v2.positionScreen.y - v1.positionScreen.y ) - var v2 = _vertexPool[ face.b ];
( v3.positionScreen.y - v1.positionScreen.y ) * var v3 = _vertexPool[ face.c ];
( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
if ( side === THREE.DoubleSide || visible === ( side === THREE.FrontSide ) ) { if ( material.morphTargets === true ) {
_face = getNextFace3InPool(); var morphTargets = geometry.morphTargets;
var morphInfluences = object.morphTargetInfluences;
_face.id = object.id; var v1p = v1.position;
_face.v1.copy( v1 ); var v2p = v2.position;
_face.v2.copy( v2 ); var v3p = v3.position;
_face.v3.copy( v3 );
} else { _vA.set( 0, 0, 0 );
_vB.set( 0, 0, 0 );
_vC.set( 0, 0, 0 );
continue; for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
} var influence = morphInfluences[ t ];
} else { if ( influence === 0 ) continue;
continue; var targets = morphTargets[ t ].vertices;
} _vA.x += ( targets[ face.a ].x - v1p.x ) * influence;
_vA.y += ( targets[ face.a ].y - v1p.y ) * influence;
_vA.z += ( targets[ face.a ].z - v1p.z ) * influence;
_face.normalModel.copy( face.normal ); _vB.x += ( targets[ face.b ].x - v2p.x ) * influence;
_vB.y += ( targets[ face.b ].y - v2p.y ) * influence;
_vB.z += ( targets[ face.b ].z - v2p.z ) * influence;
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) { _vC.x += ( targets[ face.c ].x - v3p.x ) * influence;
_vC.y += ( targets[ face.c ].y - v3p.y ) * influence;
_vC.z += ( targets[ face.c ].z - v3p.z ) * influence;
_face.normalModel.negate(); }
} v1.position.add( _vA );
v2.position.add( _vB );
v3.position.add( _vC );
_face.normalModel.applyMatrix3( _normalMatrix ).normalize(); renderState.projectVertex( v1 );
renderState.projectVertex( v2 );
renderState.projectVertex( v3 );
_face.normalModelView.copy( _face.normalModel ).applyMatrix3( _normalViewMatrix ); }
var visible = renderState.checkTriangleVisibility( v1, v2, v3 );
_face.centroidModel.copy( face.centroid ).applyMatrix4( _modelMatrix ); if ( visible === ( side === THREE.BackSide ) ) continue;
faceVertexNormals = face.vertexNormals; _face = getNextFace3InPool();
for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) { _face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
var normalModel = _face.vertexNormalsModel[ n ]; _face.normalModel.copy( face.normal );
normalModel.copy( faceVertexNormals[ n ] );
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) { if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
normalModel.negate(); _face.normalModel.negate();
} }
normalModel.applyMatrix3( _normalMatrix ).normalize(); _face.normalModel.applyMatrix3( _normalMatrix ).normalize();
var normalModelView = _face.vertexNormalsModelView[ n ]; _face.normalModelView.copy( _face.normalModel ).applyMatrix3( _normalViewMatrix );
normalModelView.copy( normalModel ).applyMatrix3( _normalViewMatrix );
} _face.centroidModel.copy( face.centroid ).applyMatrix4( _modelMatrix );
faceVertexNormals = face.vertexNormals;
for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
var normalModel = _face.vertexNormalsModel[ n ];
normalModel.copy( faceVertexNormals[ n ] );
_face.vertexNormalsLength = faceVertexNormals.length; if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
for ( var c = 0, cl = Math.min( faceVertexUvs.length, 3 ); c < cl; c ++ ) { normalModel.negate();
uvs = faceVertexUvs[ c ][ f ]; }
normalModel.applyMatrix3( _normalMatrix ).normalize();
var normalModelView = _face.vertexNormalsModelView[ n ];
normalModelView.copy( normalModel ).applyMatrix3( _normalViewMatrix );
}
_face.vertexNormalsLength = faceVertexNormals.length;
if ( uvs === undefined ) continue; for ( var c = 0, cl = Math.min( faceVertexUvs.length, 3 ); c < cl; c ++ ) {
for ( var u = 0, ul = uvs.length; u < ul; u ++ ) { uvs = faceVertexUvs[ c ][ f ];
_face.uvs[ c ][ u ] = uvs[ u ]; if ( uvs === undefined ) continue;
for ( var u = 0, ul = uvs.length; u < ul; u ++ ) {
_face.uvs[ c ][ u ] = uvs[ u ];
}
} }
} _face.color = face.color;
_face.material = material;
_face.color = face.color; _centroid.copy( _face.centroidModel ).applyProjection( _viewProjectionMatrix );
_face.material = material;
_centroid.copy( _face.centroidModel ).applyProjection( _viewProjectionMatrix ); _face.z = _centroid.z;
_face.z = _centroid.z; _renderData.elements.push( _face );
_renderData.elements.push( _face ); }
} }
......
build/three.min.js
浏览文件 @ 0d2d02c0
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