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// This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a
// letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
/* Persistence Of Vision Raytracer sample file.
Demo for the Mesh Camera macros for use with the new mesh_camera:
Shows how to use the macros to create a pure orthographic mesh camera
--
Jaime Vives Piqueres, Jan. 2011 <jaime@ignorancia.org> */
/*******************************************************************************************
* $File: //depot/povray/smp/distribution/scenes/camera/mesh_camera/meshcam_ortho_demo.pov $
* $Revision: #1 $
* $Change: 5377 $
* $DateTime: 2011/01/09 19:56:00 $
* $Author: jholsenback $
******************************************************************************************/
#version 3.7;
// control center
#declare meshcam_file=1; // 0=off, 1=save mesh to file, 2=load mesh from file
// common globals for all the demos
#include "demo_globals.inc"
// standard includes
#include "colors.inc"
#include "textures.inc"
// common test subjects and scenario
#include "demo_common.inc"
// mesh camera macros being demonstrated
#include "meshcam_macros.inc"
// camera parameters
#declare c_location=<0,3,-8>; // location
#declare c_look_at=<0,1.1,1>; // look at
#declare c_up_length=4; // up_length (controls viewing area as in pure orthographic camera)
// create a mesh simulating an orthographic camera, with optional load/save mechanism
#if (meshcam_file>0)
// get the file name
#declare prefix="meshcam-ortho_";
#declare mesh_file=concat(concat(concat(concat(prefix,str(image_width,0,0)),"x"),str(image_height,0,0)),".inc");
#else
// ..wich should be empty to turn the mesh file off
#declare mesh_file="";
#end
#if (meshcam_file=2)
// loading a mesh from file
#declare camera_mesh=
#include mesh_file
#else
// create a new mesh
#declare camera_mesh=meshcam_orthographic(image_width, image_height, c_up_length, mesh_file)
#end
// create the camera with the generated or loaded mesh
camera{
mesh_camera{ 1 0 // 1 ray per pixel, distribution 0
mesh{camera_mesh
meshcam_placement(c_location,c_look_at)
}
}
location <0,0,-.01> // look at the face slighty off along the normal
}
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