Newbie Cube Spin

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Goal

Spin the cube through a plugin.

| Skeleton C-File For Spinning Cube | || | #include "doug.h"

void SpinCube() {
        // Code to spin cube
}

DSP_InitializePlugin( DSS_PLUGIN *plugin )
{
        DSF_InstallPluginFunction(plugin->handle, SpinCube,
                                  DSD_PLUGIN_UPDATE_SCENE);

        return 1;
} |

| * * *

• Functionality for the spinning cube will be in the "SpinCube()" function
• SpinCube() is registered with DSF_InstallPluginFunction() |

| spincube.c | || | #include "doug.h"

extern DSS_SCENE *DSV_scene;

void SpinCube() {

        DSS_NODE* cube_node ;
        int cube_id;

        DSF_BgnModifyScene( DSV_scene );

                cube_id = DSF_GetNodeID("CUBE");
                cube_node = DSV_scene->node_list + cube_id ;

                cube_node->P += 1.0 ;
                cube_node->Y += 1.0 ;
                cube_node->R += 1.0 ;

                DSF_ModifiedNode( cube_id, DSD_PYR_MODIFIED ) ;

        DSF_EndModifyScene( DSV_scene );

        DSF_ExecuteCore();
}

DSP_InitializePlugin( DSS_PLUGIN *plugin )
{

         DSF_InstallPluginFunction(plugin->handle, SpinCube,
                                   DSD_PLUGIN_UPDATE_SCENE);
        return 1;
} |

| * * *

To Build:

% cd ${DOUG_HOME}/src.dist/plugins
  % mkdir spinCube
  % vi spinCube/spincube.c
    <Add source above>
  % cp example/Makefile spinCube/
    <Follow helloPlugin Makefile guide>
  % make

To Run:

% cd ${USERDATA}
  % vi user.cfg
    Similar to the hellocube plugin line, ([assuming this was done][1])
    Add spincube under the plugin section as well.
  % ./run_graphics ; # Cube should twirl, possibly at LUDICROUS SPEED.                                                                                                                                                                                                                                                                                                                                                        |

areeves July 20, 2009, at 05:28 PM:
Got an error using spincube.c code above . . .
Fixed by changing:

"cube_id = DSF_GetNodeID("NEWBIE_CUBE");"

to

"cube_id = DSF_GetNodeID("CUBE");".

Also, under To Run: …

% vi newbie.cfg

If just did Newbie Cube Hello Plugin Tutorial, you will type:

% vi user.cfg

*djordan April 5, 2011, at 10:04 PM *:
Fixed these issues. Thanks Angela!

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