<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <base href="../../../" /> <script src="page.js"></script> <link type="text/css" rel="stylesheet" href="page.css" /> </head> <body> <h1>[name]</h1> <p class="desc"> A geometric triangle as defined by three [page:Vector3 Vector3s] representing its three corners. </p> <h2>Constructor</h2> <h3>[name]( [param:Vector3 a], [param:Vector3 b], [param:Vector3 c] )</h3> <p> [page:Vector3 a] - the first corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`.<br /> [page:Vector3 b] - the second corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`.<br /> [page:Vector3 c] - the final corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`.<br /><br /> Creates a new [name]. </p> <h2>Properties</h2> <h3>[property:Vector3 a]</h3> <p> The first corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`. </p> <h3>[property:Vector3 b]</h3> <p> The second corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`. </p> <h3>[property:Vector3 c]</h3> <p> The final corner of the triangle. Default is a [page:Vector3] at `(0, 0, 0)`. </p> <h2>Methods</h2> <h3>[method:Triangle clone]()</h3> <p> Returns a new triangle with the same [page:.a a], [page:.b b] and [page:.c c] properties as this one. </p> <h3> [method:Vector3 closestPointToPoint]( [param:Vector3 point], [param:Vector3 target] ) </h3> <p> [page:Vector3 point] - [page:Vector3] <br /> [page:Vector3 target] — the result will be copied into this Vector3.<br /><br /> Returns the closest point on the triangle to [page:Vector3 point]. </p> <h3>[method:Boolean containsPoint]( [param:Vector3 point] )</h3> <p> [page:Vector3 point] - [page:Vector3] to check.<br /><br /> Returns true if the passed point, when projected onto the plane of the triangle, lies within the triangle. </p> <h3>[method:this copy]( [param:Triangle triangle] )</h3> <p> Copies the values of the passed triangles's [page:.a a], [page:.b b] and [page:.c c] properties to this triangle. </p> <h3>[method:Boolean equals]( [param:Triangle triangle] )</h3> <p> Returns true if the two triangles have identical [page:.a a], [page:.b b] and [page:.c c] properties. </p> <h3>[method:Float getArea]()</h3> <p>Return the area of the triangle.</p> <h3> [method:Vector3 getBarycoord]( [param:Vector3 point], [param:Vector3 target] ) </h3> <p> [page:Vector3 point] - [page:Vector3] <br /> [page:Vector3 target] — the result will be copied into this Vector3.<br /><br /> Return a [link:https://en.wikipedia.org/wiki/Barycentric_coordinate_system barycentric coordinate] from the given vector. <br /><br /> [link:http://commons.wikimedia.org/wiki/File:Barycentric_coordinates_1.png Picture of barycentric coordinates] </p> <h3>[method:Vector3 getMidpoint]( [param:Vector3 target] )</h3> <p> [page:Vector3 target] — the result will be copied into this Vector3.<br /><br /> Calculate the midpoint of the triangle. </p> <h3>[method:Vector3 getNormal]( [param:Vector3 target] )</h3> <p> [page:Vector3 target] — the result will be copied into this Vector3.<br /><br /> Calculate the [link:https://en.wikipedia.org/wiki/Normal_(geometry) normal vector] of the triangle. </p> <h3>[method:Plane getPlane]( [param:Plane target] )</h3> <p> [page:Plane target] — the result will be copied into this Plane.<br /><br /> Calculate a [page:Plane plane] based on the triangle. . </p> <h3> [method:Vector getInterpolation]( [param:Vector3 point], [param:Vector3 p1], [param:Vector3 p2], [param:Vector3 p3], [param:Vector v1], [param:Vector v2], [param:Vector v3], [param:Vector target] ) </h3> <p> [page:Vector3 point] - Position of interpolated point.<br /> [page:Vector3 p1] - Position of first vertex.<br /> [page:Vector3 p2] - Position of second vertex.<br /> [page:Vector3 p3] - Position of third vertex.<br /> [page:Vector v1] - Value of first vertex.<br /> [page:Vector v2] - Value of second vertex.<br /> [page:Vector v3] - Value of third vertex.<br /> [page:Vector target] — Result will be copied into this Vector.<br /><br /> Returns the value barycentrically interpolated for the given point on the triangle. </p> <h3>[method:Boolean intersectsBox]( [param:Box3 box] )</h3> <p> [page:Box3 box] - Box to check for intersection against.<br /><br /> Determines whether or not this triangle intersects [page:Box3 box]. </p> <h3>[method:Boolean isFrontFacing]( [param:Vector3 direction] )</h3> <p> [page:Vector3 direction] - The direction to test.<br /><br /> Whether the triangle is oriented towards the given direction or not. </p> <h3> [method:this set]( [param:Vector3 a], [param:Vector3 b], [param:Vector3 c] ) </h3> <p> Sets the triangle's [page:.a a], [page:.b b] and [page:.c c] properties to the passed [page:Vector3 vector3s].<br /> Please note that this method only copies the values from the given objects. </p> <h3> [method:this setFromAttributeAndIndices]( [param:BufferAttribute attribute], [param:Integer i0], [param:Integer i1], [param:Integer i2] ) </h3> <p> attribute - [page:BufferAttribute] of vertex data <br /> i0 - [page:Integer] index <br /> i1 - [page:Integer] index <br /> i2 - [page:Integer] index<br /><br /> Sets the triangle's vertices from the buffer attribute vertex data. </p> <h3> [method:this setFromPointsAndIndices]( [param:Array points], [param:Integer i0], [param:Integer i1], [param:Integer i2] ) </h3> <p> points - [page:Array] of [page:Vector3]s <br /> i0 - [page:Integer] index <br /> i1 - [page:Integer] index <br /> i2 - [page:Integer] index<br /><br /> Sets the triangle's vectors to the vectors in the array. </p> <h2>Source</h2> <p> [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js] </p> </body> </html>