# getProjectionMatrix

Source: https://www.nianticspatial.com/docs/api/kotlin/com.nianticspatial.nsdk.playback.PlaybackCamera.getProjectionMatrix/

getProjectionMatrix

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## Declaration

fun getProjectionMatrix( zNear: Float, zFar: Float, viewportWidth: Int, viewportHeight: Int, deviceDisplayOrientation: Orientation? = null ): FloatArray

#### Summary

OpenGL-style projection matrix (column-major) from intrinsics for the given viewport and near/far.
Use with getViewMatrix to render 3D content aligned with the playback camera.

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