This page contains the source code for the "Transparent Orb with Colliding Spheres" .vobj file.

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// Transparent Orb
// The file was originally created by the Visviva Authoring Studio.
// Comments are added for readability.
// Texture images are not included.
object OrbParticles:Perspective
{
    width=128p;		//128 pixels
    height=128p;		//128 pixels
    view_angle=45;		// angle of the field of view
    eye_position=(0,10,100);
    orientation=(0,1,0);
    view_near=10;		// the distance between eye and the near clip plane
    view_far=1000;		// the distance between eye and the far clip plane
    style=(Use3DAcc);	// use 3D accelerator
    bkg_color=(0, 0, 0, 14);	// background color. Set the alpha value 
			// (the fourth number) to a low value to 
			// enable a motion blur effect
    object default_light:DirectionalLight
    {
	color=(255, 255, 255);
    };
    object :ParticleEmitter
    {
	max_gen=1;		// maximum number particles per emission
	min_gen=1;		// mininum number particles per emission
	style=(Infinite,ParticleCollision,AutoStart);
				// Infinite emission, enable particle 
				// collision detection, and start 
				// emission automatically
	interval=0:0:0:20;		// intervals between two frames (20ms)
	min_life=0:0:9;		// shortest life (9 seconds)
	max_life=0:0:9;		// longest life (9 seconds)
	attraction=1;		// attraction force
	resistance=0.001;		// Resistance of the air
	collision="ParticleShield";	// The group name where the objects
				// obstruct particles 
	direction=(0,1,0);		// emission direction
	direction_shift=(200,200,200);	// emission direction variation
	speed=50;			// initial speed
	speed_shift=20;		// initial speed variation
	object particle:Shape3D	// the particle description
	{
	    object surface:Sphere	// the surface is a sphere
	    {
		r=2.33803;	// radius
		i_num=8;		// number of longitudinal divisions 
		j_num=8;		// number of latitudinal divisions 
	    };
	    object material:Material 	// the material of the particle
	    {
	        diffuse=(204, 255, 102, 255);
	        ambient=(9, 12, 0, 255);
	        specular=(142, 178, 4, 255);
	        shininess=0.07812;
	    };
	};
    };
    object :Shape3D // the particle shield object
    {
	draw_style=(GrabMouse); // grabs mouse when it is pressed
	group="ParticleShield";	//it is in the ParticleShield group
	object surface:Sphere	// the surface is a sphere
	{
	    r=30;
	    i_num=16;
	    j_num=16;
	};
	object material:Material	// the material of the shield
	{
	    diffuse=(255, 255, 255, 255);
	    emission=(127, 127, 127, 255);
	    transparency=0.9;	// transparency: 0=full opacity, 
				// 1=full transparency
	    object diffuse_map:TextureImage
	    {
		pixmap="green_dot.png";	// the texture of the material
		u_number=16;		// tile number in longitude
		v_number=16;		// tile number in latitude
	    };
	};
	object sensor:SensorRotate	// rotation sensor is added so 
				// the object can be dragged to
				// rotate
	{
	    style=KeepMotion;	// maintain rotation speed after the drag action
	    active=True;		// the sensor is enabled
	    speed_factor =0.1;	// the factor of the rotation 
				// speed in relation to the dragging speed
	};
    };
};