Package org.openrndr.math.transforms

Types

TransformBuilder

class TransformBuilder(baseTransform: Matrix44)

Functions

buildTransform

fun buildTransform(baseTransform: Matrix44 = Matrix44.IDENTITY, builder: TransformBuilder.() -> Unit): Matrix44

An alias for transform, useful for those cases in which the word transform is used too often

frustum

fun frustum(left: Double, right: Double, bottom: Double, top: Double, zNear: Double, zFar: Double): Matrix44

Creates frustum matrix with the given boundsleft Left bound of the frustum right Right bound of the frustum bottom Bottom bound of the frustum top Top bound of the frustum zNear Near bound of the frustum zFar Far bound of the frustum

lookAt

fun lookAt(eye: Vector3, target: Vector3, up: Vector3 = Vector3.UNIT_Y): Matrix44

Create a view matrix from a camera at position eye look at target eye the position of the camera target the target the camera looks at up direction of up, default direction is Vector3.

normalMatrix

fun normalMatrix(view: Matrix44): Matrix44

Construct a normal matrix from the give view matrix

ortho

fun ortho(xMag: Double, yMag: Double, zNear: Double, zFar: Double): Matrix44

Creates an orthographic projection matrixxMag The horizontal magnification of the view yMag The vertical magnification of the view zNear The distance to the near clipping plane zFar The distance to the far clipping plane

fun ortho(left: Double, right: Double, bottom: Double, top: Double, zNear: Double, zFar: Double): Matrix44

Creates an orthographic projection matrix with the given boundsleft left plane of the clipping volume right right plane of the clipping volume bottom bottom plane of the clipping volume top top plane of the clipping volume zNear The distance to the near clipping plane zFar The distance to the far clipping plane

perspective

fun perspective(fovY: Double, aspectRatio: Double, zNear: Double): Matrix44

Creates an perspective projection matrix with infinite clipping depthFor more on projection matrices please visit http://learnwebgl.brown37.net/08_projections/projections_perspective.

fun perspective(fovY: Double, aspectRatio: Double, zNear: Double, zFar: Double): Matrix44

Creates an perspective projection matrixFor more on projection matrices please visit http://learnwebgl.brown37.net/08_projections/projections_perspective.

fun perspective(fovY: Double, aspectRatio: Double, zNear: Double, zFar: Double, xOffset: Double, yOffset: Double): Matrix44

Creates an perspective projection matrix with a shifted apexFor more on projection matrices please visit http://learnwebgl.brown37.net/08_projections/projections_perspective.

perspectiveHorizontal

fun perspectiveHorizontal(fovY: Double, aspectRatio: Double, zNear: Double, zFar: Double, xOffset: Double, yOffset: Double): Matrix44

Creates an perspective projection matrix locking the horizontal view anglefovY Y field of view in degrees aspectRatio lens aspect ratio zNear The distance to the near clipping plane along the -Z axis.

project

fun project(point: Vector3, projection: Matrix44, view: Matrix44, width: Int, height: Int): Vector3

Project a 3D point on a 2D surfacepoint the point to project projection the projection matrix view the view matrix width the width of the projection surface height the height of the projection surface

rotate

fun Matrix44.Companion.rotate(axis: Vector3, angle: Double): Matrix44

Create a rotation matrix around the given axesaxis the axis to rotate around angle the angle in degrees

rotateX

fun Matrix44.Companion.rotateX(angle: Double): Matrix44

Create a rotation matrix around the X axesangle the angle in degrees

rotateY

fun Matrix44.Companion.rotateY(angle: Double): Matrix44

Create a rotation matrix around the Y axesangle the angle in degrees

rotateZ

fun Matrix44.Companion.rotateZ(angle: Double): Matrix44

Create a rotation matrix around the Z axesangle the angle in degrees