DIRECTORYImager, SV2d, SV3d, SVModelTypes, SVSceneTypes;SVDraw3d: CEDAR DEFINITIONS =BEGINCamera: TYPE = SVModelTypes.Camera;CoordSystem: TYPE = SVModelTypes.CoordSystem;CSGTree: TYPE = SVSceneTypes.CSGTree;Matrix4by4: TYPE = SV3d.Matrix4by4;Point2d: TYPE = SV2d.Point2d;Point3d: TYPE = SV3d.Point3d;SelectionClass: TYPE = SVSceneTypes.SelectionClass;Vector3d: TYPE = SV3d.Vector3d;DrawCoordSys: PROC [dc: Imager.Context, csCAMERA: Matrix4by4, camera: Camera];DrawSkitter: PROC [dc: Imager.Context, csCAMERA: Matrix4by4, camera: Camera];DrawTargetCoordSys: PROC [dc: Imager.Context, csCAMERA: Matrix4by4, camera: Camera];DrawJack: PROC [dc: Imager.Context, cs: CoordSystem, camera: Camera];DrawMovee: PROC [dc: Imager.Context, cs: CoordSystem, camera: Camera];DrawPlaneSelection: PROC [dc: Imager.Context, cs: CoordSystem, planeNum: NAT, camera: Camera];DrawXPlane: PROC [dc: Imager.Context, left, right, down, up: REAL, cs: CoordSystem, camera: Camera];DrawYPlane: PROC [dc: Imager.Context, left, right, down, up: REAL, cs: CoordSystem, camera: Camera];DrawZPlane: PROC [dc: Imager.Context, left, right, down, up: REAL, cs: CoordSystem, camera: Camera];DrawVector: PROC [dc: Imager.Context, v: Vector3d, origin: Point3d, camera: Camera]; -- assumes v is in camera coords.DrawLocalVector: PROC [dc: Imager.Context, v: Vector3d, origin: Point3d, camera: Camera, localCS: CoordSystem]; -- assumes v and origin are in localCS coords.Draw2dCoordSys: PROC [dc: Imager.Context, origin: Point2d, camera: Camera];DrawX: PROC [dc: Imager.Context, point: Point2d, camera: Camera];DrawSelectedJoint: PROC [dc: Imager.Context, worldPt: Point3d, camera: Camera, selectClass: SelectionClass];DrawCP: PROC [dc: Imager.Context, worldPt: Point3d, camera: Camera];DrawBoundBoxes: PROC [dc: Imager.Context, tree: CSGTree, camera: Camera];DrawBoundBox: PROC [dc: Imager.Context, node: REF ANY, camera: Camera, xor: BOOL];DrawBoundSpheres: PROC [dc: Imager.Context, tree: CSGTree, camera: Camera];DrawTransformedShape: PROC [dc: Imager.Context, csCAMERA: Matrix4by4, camera: Camera, path: Imager.PathProc];END.  è  File: SVDraw3d.mesaLast edited by Bier on December 18, 1982 1:19 amAuthor: Eric Bier on July 8, 1987 5:55:37 pm PDTContents: Some useful combinations of Imager operationsDraw the square bounded by left, right, down, and up (left-right = z, down-up = y) in the x = 0 plane of cs.Draw the square bounded by left, right, down, and up (left-right = x, down-up = z) in the y = 0 plane of cs.Draw the square bounded by left, right, down, and up (left-right = x, down-up = y) in the z = 0 plane of cs.Any two dimensional shape that can be drawn with the Imager, can be drawn as though its sheet of paper has been embedded in 3-space, rotated, scaled, and translated by csCAMERA.  This procedure only works for the orthogonal projection. Ê=  –"cedar" style˜ Iheadšœ™Iprocšœ0™0Lšœ0™0Lšœ7™7L˜ šÏk	˜	Lšœ/˜/—L˜ Lšœ
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