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- !---------------------------------------------------------------
- !
- ! TUTORIAL19 - RayDance tutorial script #19.
- !
- ! This script demonstrates wrap mode texture mapping.
- !
- ! Concepts include :
- !
- ! o Wrap mode textures on an extruded surface.
- !
- !---------------------------------------------------------------
-
- ! Use a print statement to display descriptive text on the
- ! message window.
-
-
- ? "TUTORIAL19 - This script creates two extruded 'flag'\n",
- "objects. Both are extruded from the same outline. The\n",
- "outlines are imported from a disk file. The top 'flag'\n",
- "is texture mapped with a PLANE map. The lower 'flag' is\n",
- "texture mapped using wrap mode. Both 'flags' are Phong\n",
- "smoothed. Note how the texture of the lower 'flag' \n",
- "follows its contours!\n";
-
-
- FLAG_MAP : texturemap( "flag.ilbm" );
-
- ! Create a surface for our flags...
-
- ! ka kd ks n km kr ir kb flgs
- SHINY : surface(PHONG, .5,.8,.4,30, 0, 0, 0, 0, 0 );
-
- real x1,x2;
-
- ! Import the outline of our flag...
-
- FLAG_OUTLINE : outline( "flag1.geo", [2,1,1], xy );
-
- ! Figure the widht of this outline
-
- X1 = FLAG_OUTLINE[0]'X;
- X2 = FLAG_OUTLINE[FLAG_OUTLINE'STEPS-1]'X;
-
-
- PLANE_MAP : texture( PLANE, FLAG_MAP, [25,0,150], [0,1,0], [1,0,0],
- 280,X2-X1,250, 1,1, SMOOTH3 REPEAT );
-
- extrude( ( FLAG_OUTLINE ),
- 250, [0,0,250], [1,1,1], [0,0,25], [0,0,0],
- PLANE_MAP, SHINY, OPEN NOENDS PHONG );
-
- extrude( ( FLAG_OUTLINE ),
- 250, [0,0,250], [1,1,1], [0,0,-275], [0,0,0],
- FLAG_MAP(1,1,SMOOTH3|REPEAT), SHINY, OPEN NOENDS PHONG );
-
-
- ! Specify the ambient light.
-
- AMBIENT( [0,0,0], [0.6,0.6,0.6], [0,0,1], 0, 0 );
-
- ! Specify the STAR light.
-
- STAR( [3000,-50000,10000], [1,.9,1], 300 );
-
-
- ! Set the background color to a dark purple
-
- BACKGROUND( PLAIN, [0,0.05,0.15] );
-
-
- ! The camera will be positioned along the negative y axis aiming
- ! toward the central objects
-
- CAMERA'POS = [0,1500,350];
- CAMERA'TARGET = [0,0,0];
-
-
- ! The scene has now been constructed, render it!
-
- RENDER;
-
-
- ! All scripts must terminate with an END
-
- END
-