1// Gate scene with dragon 2// by Jeffery P. Hansen 3// 4// For full picture use 5// povray +SR230 +ER500 +W960 +H720 +A +D +P +i dragongate2.pov 6// 7// For foot adjustment use: 8// povray +SR430 +ER500 +SC125 +EC350 +W960 +H720 +A +D +P +i dragongate2.pov 9// 10 11#declare showTrees = 0; 12#declare showPosts = 1; 13#declare showFence = 1; 14#declare showDragons = 1; 15#declare showSign = 1; 16#declare showCacti = 1; 17#declare DGView = 1; /* 1 = regular view 18 2 = left dragon feet 19 3 = right dragon feet 20 4 = cactus view 21 5 = closeup? 22 6 = sign closeup 23 7 = gate closeup 24 */ 25 26#include "shapes.inc" 27#include "chars.inc" 28#include "colors.inc" 29#include "textures.inc" 30#include "woods.inc" 31#if (showTrees) 32#include "OLIVE.inc" 33#include "TOMTREE.inc" 34#end 35#include "dragon.inc" 36 37 38 39#declare cactusRand = seed(42); 40 41 42#declare PostRadius = 0.35; // Radius of posts 43#declare AngleStart = 9; // Start angle of TkGate text 44#declare AngleSpan = 21.0; // Number of degrees though which to position text 45#declare AngleStep = -(AngleSpan/8.0); // Number of degrees per letter 46 47// 48// A texture for wrought iron. 49// 50#declare Wrought_Iron = 51 texture { 52 pigment { 53 granite 54 color_map { 55 [0.0 1.0 colour red 0.2 green 0.2 blue 0.2 56 colour red 0.0 green 0.0 blue 0.0] 57 } 58 } 59 finish { ambient 0 diffuse 0.6 metallic 1} 60 normal { wrinkles 1 scale 0.11 } 61 } 62 63#declare Cactus_Text = 64 texture { 65 pigment { 66 rgb <.1,.57,.1> 67 } 68 normal { 69 leopard 0.1 70 turbulence .1 71 scale <0.005,0.05,0.005> 72 } 73 finish { ambient 0.3 diffuse 0.6 } 74 } 75 76#declare CactusSpine_Text = 77 texture { 78 pigment { 79 rgb <.9,.9,.1> 80 } 81 finish { ambient 0.3 diffuse 0.6 } 82 } 83 84// 85// A period 86// 87#declare char_Period= 88 cylinder {<0,0.5,0>,<0,0.5,1>,0.5} 89 90 91#declare Post_Stone = 92 texture{ 93 pigment{White} 94 normal{ 95 granite 0.075 96 scale 0.24 97 } 98 finish{phong 0.1 phong_size 200 diffuse 0.2 ambient 0.5 } 99 } 100 101#declare Sand_Text = 102 texture { 103 pigment { 104 colour red 0.95 green 0.64 blue 0.38 105 } 106 107 normal { 108 crackle .25 109 turbulence 0.2 110 scale <1,0.05,0.1> 111 rotate 30*y 112 } 113 finish { ambient 0.7 diffuse 0.4 } 114 } 115 116// 117// The clouds 118// 119#declare GateClouds = 120 plane { y, 300.0 121 hollow on 122 pigment { 123 bozo 124 turbulence 1 125 colour_map { 126 [0.0 0.4 colour red 1.0 green 1.0 blue 1.0 filter 1.0 127 colour red 1.0 green 1.0 blue 1.0 filter 1.0] 128 [0.4 0.8 colour red 1.0 green 1.0 blue 1.0 filter 1.0 129 colour red 0.8 green 0.9 blue 0.9] 130 [0.8 1.001 colour red 0.9 green 0.9 blue 0.9 131 colour red 0.8 green 0.8 blue 0.8] 132 } 133 quick_colour red 0.7 green 0.7 blue 1.0 134 scale <1000.0, 200.0, 800.0> 135 } 136 finish { 137 ambient 0.7 138 diffuse 0.0 139 } 140 141 translate -450*x 142 rotate 6*y 143 } 144 145 146// 147// The ground 148// 149#declare SandDunes = 150 intersection { 151 plane { z, 0 } 152 height_field { 153 png "hills.png" 154 smooth 155 translate <-0.5,0,-0.85> 156 scale <40,0.5,40> 157 } 158 159 hollow on 160 texture { Sand_Text } 161 } 162 163#declare GrassTexture = 164 texture { 165 pigment { 166 waves 167 turbulence 0.01 168 colour_map{ 169 [0.0 colour rgb <0.2,0.4,0.1>] 170 [0.98 colour rgb <0.28,0.49,0.17>] 171 [1.0 colour rgb <0.38,0.39,0.11>] 172 } 173 } 174 scale <0.001,0.0001,.15> 175 finish{ ambient 0.2 diffuse 0.6 } 176 } 177 178#declare OldGrassTexture = 179 texture { 180 pigment { 181 bozo 182 turbulence 0.1 183 colour_map { 184 [0.0 1.0 colour red 0.2 green 1.0 blue 0.2 filter 0 185 colour red 0.2 green 0.8 blue 0.2 filter 0] 186 } 187 } 188 normal{ 189 wrinkles 0.1 190 scale 0.24 191 } 192 193 194 finish { ambient 0.2 diffuse 0.2 } 195 } 196 197#declare GrassHill = 198 intersection { 199 plane { z, .1 inverse } 200 height_field { 201 png "hills.png" 202 smooth 203 translate -0.5*x 204 scale <40,3,40> 205 } 206 hollow on 207 texture { GrassTexture } 208 } 209 210#declare XGrassHill = 211 union { 212// height_field { 213// png "hills2.png" 214// smooth 215// translate -0.5*x 216// translate 5*z 217// scale <200,50,200> 218// } 219 height_field { 220 png "hills2.png" 221 smooth 222 translate -0.5*x 223 scale <50,3,50> 224 } 225 intersection { 226 plane { y, 0 } 227 plane { z, 0 inverse } 228 } 229 230 hollow on 231// texture { GrassTexture } 232 texture { pigment { checker color Red, color Green } } 233 } 234 235 236#declare GateGround = 237 union { 238 object { SandDunes } 239 object { GrassHill } 240 } 241 242#declare CowOrFlat=0.5; 243#declare CowHeight=1.1; 244#declare CowThickness = 0.5; 245#declare CowLegLength = 0.5; 246#declare CowLegThickness = 0.1; 247 248#declare Cow_Texture = 249texture { 250 pigment { 251 bozo 252 frequency 0.9 253 scale .15 254 color_map { 255 [0.1 colour rgb <0,0,0> ] 256 [0.2 colour rgb <1,1,1> ] 257 } 258 } 259 finish { ambient 0.2 } 260} 261 262#declare CowLeg = 263 union { 264 cylinder { 0*y, CowLegLength*y, CowLegThickness } 265 object { sphere { <0,CowLegLength,0>, CowLegThickness } } 266 } 267 268 269#declare AndGateCow = 270 union { 271 union { 272 box { <0.0,0.0,0.0>, <0.8,1.1,CowThickness> } 273 object { cylinder { 0.0*z, CowThickness*z, 0.55 } translate <0.8,0.55,0.0> } 274 translate CowLegLength*y 275 } 276 277 object { CowLeg } 278 object { CowLeg translate <0.75,0,0> } 279 object { CowLeg translate <0,0,CowThickness> } 280 object { CowLeg translate <0.75,0,CowThickness> } 281 282 texture { Cow_Texture } 283 } 284 285 286// 287// Basic arc (actually a ring) that is used as parts of the OR gate. 288// 289#declare GateArc= 290 difference { 291 object { cylinder { 0.0*z, 0.1*z, 0.5 } } 292 object { cylinder { z, -z, 0.4 } } 293 } 294 295// 296// Back arc of an OR gate 297// 298#declare OrBack = 299 intersection { 300 object { GateArc } 301 plane {x, 0 inverse } 302 plane {y, -0.3 inverse } 303 plane {y, 0.3 } 304 305 translate <-0.4,0.3,0.0> 306 } 307 308 309#declare OrGateCow = 310 union { 311 intersection { 312 box { <0.0,0.0,0.0>, <CowOrFlat,CowHeight,CowThickness> } 313 object { cylinder { -2*z, 2*z, CowHeight inverse } translate <-CowHeight*0.85,CowHeight/2,0> } 314 translate CowLegLength*y 315 } 316 317 intersection { 318 object { cylinder { 0*z, CowThickness*z, CowHeight } translate <CowOrFlat,0,0> } 319 object { cylinder { -2*z, 2*z, CowHeight } translate <CowOrFlat,CowHeight,0> } 320 plane { x, 0.5 inverse } 321 translate CowLegLength*y 322 } 323 324 object { CowLeg } 325 object { CowLeg translate <0.75,0,0> } 326 object { CowLeg translate <0,0,CowThickness> } 327 object { CowLeg translate <0.75,0,CowThickness> } 328 329 texture { Cow_Texture translate 10*x } 330 } 331 332// 333// Define the posts that go on the sides of the gate. 334// 335#declare Post = 336 union { 337// cylinder { 0*y, 4.25*y, PostRadius } 338 intersection { 339 object { box { <-PostRadius,0, -PostRadius>, <PostRadius, 4.25, PostRadius> } } 340 object { box { <-PostRadius,0, -PostRadius>, <PostRadius, 4.25, PostRadius> } rotate 45*y } 341 } 342 343 object { sphere { <0,0,0>, PostRadius } translate 4.25*y } 344 object { sphere { <0,0,0>, PostRadius } translate 4.75*y } 345// texture { White_Marble } 346 texture { Post_Stone } 347// texture { PinkAlabaster } 348 } 349 350// 351// A spike within the gate. D is the distance from the center and is used both 352// to place the spike and to compute its height. 353// 354#macro Spike(D) 355 #local H = sin(acos(D/8.3))*8.3 - 5; 356 union { 357 object { cylinder { 0.2*y, H*y, 0.05 } } 358 merge { 359 object { Sphere scale <0.05, 0.05, 0.05> translate 0.1*y } 360 object { Cone_Y scale <0.05, 0.1, 0.05> translate 0.2*y } 361 object { Cone_Y scale <0.05, 0.05, 0.05> translate 0.025*y } 362 translate H*y 363 } 364 translate D*x 365 } 366#end 367 368// 369// A spike on the fence 370// 371#declare FenceSpike = 372 union { 373 object { cylinder { 0.2*y, 4.0*y, 0.05 } } 374 merge { 375 object { Sphere scale <0.05, 0.05, 0.05> translate 0.1*y } 376 object { Cone_Y scale <0.05, 0.1, 0.05> translate 0.2*y } 377 object { Cone_Y scale <0.05, 0.05, 0.05> translate 0.025*y } 378 translate 4.0*y 379 } 380 } 381 382// 383// Basic OR gate. 384// 385#declare OrGate = 386 union { 387 box { <0.0,0.5,0.0>, <0.25,0.6,0.1> } 388 box { <0.0,0.0,0.0>, <0.25,0.1,0.1> } 389 390 // 391 // The back of the OR gate 392 // 393 object { OrBack } 394 395 // 396 // Top-half of OR curve. 397 // 398 intersection { 399 intersection { 400 object { GateArc } 401 plane {x, 0 inverse } 402 translate <0.25,0.1,0.0> 403 } 404 plane {y, 0.3 inverse } 405 } 406 407 // 408 // Bottom-half of OR curve. 409 // 410 intersection { 411 intersection { 412 object { GateArc } 413 plane {x, 0 inverse } 414 translate <0.25,0.5,0.0> 415 } 416 plane {y,0.3 } 417 } 418 } 419 420// 421// Cut out of NOR gate. 422// 423#declare UnNOrGate = 424 union { 425 intersection { 426 box { <-0.001,0.1,0>, <0.25,0.5,0.1> } 427 object { cylinder { -0.1*z, 0.2*z, 0.5 } translate <-0.4,0.3, 0.0> inverse} 428 } 429 intersection { 430 object { cylinder { -0.001*z, 0.2*z, 0.4 } translate <0.25,0.5, 0> } 431 object { cylinder { -0.1*z, 0.2*z, 0.4 } translate <0.25,0.1, 0> } 432 plane {x, 0.25 inverse } 433 } 434 object { cylinder { -0.001*z, 0.1*z, 0.05 } translate <0.75, 0.3, 0> } 435 } 436 437 438#declare NOrGate = 439 union { 440 box { <0,0,0>, <0.1,0.05,0.05> translate <0.9,0.275,0>} 441 box { <0,0,0>, <0.1,0.05,0.05> translate <-0.1,0.45,0>} 442 box { <0,0,0>, <0.1,0.05,0.05> translate <-0.1,0.1,0>} 443 444 object { OrGate } 445 difference { 446 object { cylinder { 0.0*z, 0.1*z, 0.15 } } 447 object { cylinder { z, -z, 0.05 } } 448 translate <0.75, 0.3, 0> 449 } 450 } 451 452 453#declare DoorBase = 454 union { 455 Spike(1.7) 456 Spike(1.4) 457 Spike(1.1) 458 Spike(0.8) 459 Spike(0.5) 460 Spike(0.2) 461 } 462 463#declare Fence = 464 union { 465 // 466 // Fence cross beams 467 // 468 box { <2.0,0.5,-0.05>, <50.0,0.55,0.05> } 469 object { box { <2.0,0.5,-0.05>, <50.0,0.55,0.05> } translate 3.3*y } 470 471 // 472 // Fence 473 // 474 #local i = 0; 475 #while (i < 60) 476 object { FenceSpike translate (2.6+0.4*i)*x } 477 #local i = i + 1; 478 #end 479 } 480 481#macro Wire(X1,Y1,X2,Y2) 482 #local D = sqrt((X1-X2)*(X1-X2) + (Y1-Y2)*(Y1-Y2)); 483 #local R = 90-atan2((X2-X1),(Y2-Y1))*180/3.1415926; 484 object { 485 box { <0,0,0>, <D,0.05,0.1> } 486 rotate R*z 487 translate <X1,Y1,0> 488 } 489#end 490 491// 492// Left half of the master/slave flip-flop circuit 493// 494#declare FlipFlopLeft = 495 union { 496 object { NOrGate translate < -1.2,2.3,0> } 497 object { NOrGate translate < -1.2,0.4,0> } 498 499 Wire(-1.875,0.5, -1.175,0.5) // Lower-left input B 500 Wire(-1.875,2.75, -1.175 ,2.75) // Upper-left input A 501 502 Wire(-0.4,2.575, -0.025,2.575) // Upper stage connect 503 504 Wire(-0.4,0.675, -0.025,0.675) // Lower stage connect 505 506 507 // 508 // UL to LL feedback path 509 // 510 Wire(-0.1,2.575, -0.1,2.075) // out/down from UL 511 Wire(-0.08,2.125, -1.575,1.25) // Diagonal 512 Wire(-1.575,1.25, -1.575,0.85) // Lower-left input A vertical 513 Wire(-1.575,0.85, -1.175,0.85) // Lower-left input A 514 515 // 516 // LL to UL feedback path 517 // 518 union { 519 Wire(-0.1,2.575, -0.1,2.075) // out/down from UL 520 Wire(-0.08,2.125, -1.575,1.25) // Diagonal 521 Wire(-1.575,1.25, -1.575,0.85) // Lower-left input A vertical 522 Wire(-1.575,0.85, -1.175,0.85) // Lower-left input A 523 scale <1,-1,1> 524 translate 3.3*y 525 } 526 } 527 528// 529// Right half of the master/slave flip-flop circuit 530// 531#declare FlipFlopRight = 532 union { 533 object { NOrGate translate < 0.4,2.125,0> } 534 object { NOrGate translate < 0.4,0.575,0> } 535 536 Wire(1.3,2.4, 1.875,2.4) // Upper-right output 537 Wire(1.3,0.85, 1.875,0.85) // Lower-right output 538 539 Wire(0.025,2.575, 0.45,2.575) // Upper stage connect 540 541 Wire(0.025,0.675, 0.45,0.675) // Lower stage connect 542 543 544 // UR to LR feedback 545 Wire(1.525,2.4, 1.525,2.125) // UR 546 Wire(1.545,2.155, 0.025,1.25) // diagonal 547 Wire(0.025,1.25, 0.025,1.025) // LR vertical 548 Wire(0.025,1.025, 0.45,1.025) // LR in 549 550 union { 551 Wire(1.525,2.4, 1.525,2.125) // UR 552 Wire(1.545,2.155, 0.025,1.25) // diagonal 553 Wire(0.025,1.25, 0.025,1.025) // LR vertical 554 Wire(0.025,1.025, 0.45,1.025) // LR in 555 scale <1,-1,1> 556 translate 3.3*y 557 } 558 } 559 560#declare FlipFlopCutOutLeft = 561 union { 562 object { UnNOrGate translate < -1.2,2.3,0> } 563 object { UnNOrGate translate < -1.2,0.4,0> } 564 } 565 566#declare FlipFlopCutOutRight = 567 union { 568 object { UnNOrGate translate < 0.4,2.125,0> } 569 object { UnNOrGate translate < 0.4,0.575,0> } 570 } 571 572// 573// This is the lettering in the logo. 574// 575#declare Lettering = 576 intersection { 577 union { 578 union { 579 object { char_T translate -2*x translate 88*y rotate (AngleStart+0*AngleStep)*z } 580 object { char_K translate -2*x translate 88*y rotate (AngleStart+1*AngleStep)*z } 581 object { char_G translate -2*x translate 88*y rotate (AngleStart+2*AngleStep)*z } 582 object { char_A translate -2*x translate 88*y rotate (AngleStart+3*AngleStep)*z } 583 object { char_T translate -2*x translate 88*y rotate (AngleStart+4*AngleStep)*z } 584 object { char_E translate -2*x translate 88*y rotate (AngleStart+5*AngleStep)*z } 585 object { char_2 translate -2*x translate 88*y rotate (AngleStart+6.5*AngleStep)*z } 586 object { char_Period translate -2*x translate 88*y rotate (AngleStart+7.25*AngleStep)*z } 587 object { char_0 translate -2*x translate 88*y rotate (AngleStart+8*AngleStep)*z } 588 scale <1.0,1.0,0.5> 589 } 590 591 intersection { 592 cylinder { 0*z, 0.05*z, 88 } 593 cylinder { -.01*z, 0.06*z, 87 inverse } 594 } 595 intersection { 596 cylinder { 0*z, 0.05*z, 94 } 597 cylinder { -.01*z, 0.06*z, 93 inverse } 598 } 599 600 translate -90*y 601 scale 0.1 602 } 603 plane { x, -2 inverse } 604 plane { x, 2 } 605 } 606 607 608#declare LeftDoor = 609 union { 610 intersection { 611 object { DoorBase scale <-1,1,1> } 612 object { FlipFlopCutOutLeft translate <0,0,-0.05> inverse } 613 } 614 object { FlipFlopLeft translate <0,0,-0.05> } 615 616 translate 1.9*x 617 } 618 619#declare RightDoor = 620 union { 621 intersection { 622 object { DoorBase } 623 object { FlipFlopCutOutRight translate <0,0,-0.05> inverse } 624 } 625 object { FlipFlopRight translate <0,0,-0.05> } 626 627 translate -1.9*x 628 } 629 630#declare Brackets = 631 union { 632 box { <0,0,0>, <0.3,0.05,0.1> translate <-2.125,2.8,0> } // Upper-left bracket 633 box { <0,0,0>, <0.3,0.05,0.1> translate <-2.125,0.45,0> } // Lower-left bracket 634 box { <0,0,0>, <0.3,0.05,0.1> translate <1.825,2.45> } // Upper-right bracket 635 box { <0,0,0>, <0.3,0.05,0.1> translate <1.825,0.8,0> } // Lower-right bracket 636 } 637 638// 639// This is all the ironwork in the gate 640// 641#declare IronWork = 642 union { 643 object { Lettering translate <0,4,-0.05> } 644 object { Fence } 645 object { Fence scale <-1,1,1> } 646 647 object { Brackets translate -0.05*z } 648 649 object { LeftDoor rotate -0*y translate -1.9*x } 650 object { RightDoor rotate 0*y translate 1.9*x } 651 652 texture { Wrought_Iron } 653 } 654 655 fog { 656 distance 1500 657 color rgb<0.3, 0.4, 1.0> 658 fog_type 2 659 fog_offset 100 660 fog_alt 1 661 turbulence 0.1 662 turb_depth 0.2 663 } 664 665 666 sky_sphere { 667 pigment { 668 gradient y 669 colour_map { 670// [0.0 1.0 colour red 0.1 green 0.3 blue 1.0 671// colour red 0.1 green 0.6 blue 1.0] 672 673// [0.0 1.0 colour red 0.4 green 0.4 blue 1.0 674// colour red 0.6 green 0.7 blue 1.0] 675 676 [0.0 1.0 677 colour red 0.3 green 0.5 blue 0.6 678 colour red 0.3 green 0.4 blue 1.0 679 ] 680 681 682// [0.0 1.0 colour red 0.0 green 0.0 blue 0.0 683// colour red 0.0 green 0.0 blue 1.0] 684 } 685 scale 0.5 686 } 687 } 688 689 690#declare BoardWidth=2.8; 691#declare BoardHeight=0.5; 692#declare BoardGap = 0.025; 693 694#declare Board = 695 difference { 696 box { <0,0,0>, <BoardWidth,BoardHeight,0.1> } 697 } 698 699#declare SignBase = 700 union { 701 object { Board translate (1.5+0*(BoardHeight+BoardGap))*y } 702 object { Board translate (1.5+1*(BoardHeight+BoardGap))*y } 703 object { Board translate (1.5+2*(BoardHeight+BoardGap))*y } 704 705 box { <0.0,0,0.12>, <0.1,1.5+3*BoardHeight+2*BoardGap,0.22> } 706 box { <BoardWidth-0.1,0,0.12>, <BoardWidth,1.5+3.1*BoardHeight,0.22> } 707 708 translate -BoardWidth/2*x 709 710 //Other possible woods: 18, 19, 20, 29, 30, 31 711 texture { T_Wood31 scale 0.5 } 712 } 713 714#declare CP_X = -BoardWidth/2+0.2; 715#declare CP_Y = 2.7; 716 717#macro newline() 718 #declare CP_X = -BoardWidth/2+0.2; 719 #declare CP_Y = CP_Y - (BoardHeight+BoardGap); 720#end 721 722#macro kern(C) 723 #declare CP_X = CP_X + 0.22*C; 724#end 725 726#macro putchar(C) 727 object { 728 C scale <0.05,0.05,0.05> 729 translate <CP_X,CP_Y,-.01> 730 texture { T_Wood4 } 731 } 732 733 #declare CP_X = CP_X + 0.22; 734#end 735 736#macro putschar(C) 737 object { 738 C scale <0.04,0.04,0.04> 739 translate <CP_X,CP_Y,-.01> 740 texture { T_Wood4 } 741 } 742 743 #declare CP_X = CP_X + 0.22*0.04/0.05; 744#end 745 746///////////////////////////////////////////////////////////////////////////// 747// 748// Put up the sign base and subtract out all of the letters. 749// 750///////////////////////////////////////////////////////////////////////////// 751#declare Sign = 752 difference { 753 object { SignBase } 754 755//Opening Gates to 756//Digital Circuit 757//Simulation 758 759 putchar(char_T) 760 putschar(char_H) 761 putschar(char_E) 762 kern(0.8) 763 putchar(char_G) 764 putschar(char_A) 765 putschar(char_T) 766 putschar(char_E) 767 putschar(char_W) 768 putschar(char_A) 769 putschar(char_Y) 770 kern(0.8) 771 putchar(char_T) 772 putschar(char_O) 773 774 newline() 775 776 putchar(char_D) 777 kern(-.15) 778 putschar(char_I) 779 kern(-.15) 780 putschar(char_G) 781 kern(-.15) 782 putschar(char_I) 783 kern(-.15) 784 putschar(char_T) 785 putschar(char_A) 786 putschar(char_L) 787 kern(0.8) 788 putchar(char_C) 789 kern(-.15) 790 putschar(char_I) 791 kern(-.15) 792 putschar(char_R) 793 putschar(char_C) 794 putschar(char_U) 795 kern(-.15) 796 putschar(char_I) 797 kern(-.15) 798 putschar(char_T) 799 newline() 800 801 putchar(char_S) 802 kern(-.15) 803 putschar(char_I) 804 kern(-.15) 805 putschar(char_M) 806 putschar(char_U) 807 putschar(char_L) 808 putschar(char_A) 809 putschar(char_T) 810 kern(-.15) 811 putschar(char_I) 812 kern(-.15) 813 putschar(char_O) 814 putschar(char_N) 815 } 816 817#declare SpineSet = 818 union { 819 #local SpineR = 0.005; 820 #local SpineLen = 0.1; 821 822 object { cone { <0,0,0>, SpineR, <SpineLen,0,0>, 0.0 } rotate 20*z } 823 object { cone { <0,0,0>, SpineR, <SpineLen,0,0>, 0.0 } rotate -20*z rotate 20*y } 824 object { cone { <0,0,0>, SpineR, <SpineLen,0,0>, 0.0 } rotate -20*z rotate -20*y } 825 texture { CactusSpine_Text } 826 } 827 828#macro SpineRow(X1,X2,Y) 829 union { 830 #local X = X1; 831 #while (X <= X2) 832 object { SpineSet rotate 90*y translate X*x } 833 #local X = X + 0.05; 834 #end 835 translate Y*y 836 } 837#end 838 839#declare CactusAndLeaf = 840 union { 841 #local TT = 0.05; 842 union { 843 box { <-0.35,-0.25,-TT>, <0,0.25,TT> } 844 cylinder { -TT*z, TT*z, 0.25 } 845 translate <-0.25,0,0> 846 } 847 848 object { SpineRow(-0.55,-0.1,0) translate -TT*z } 849 object { SpineRow(-0.55,-0.1,0.1) translate -TT*z } 850 object { SpineRow(-0.55,-0.1,-0.1) translate -TT*z } 851 object { SpineRow(-0.55,-0.15,0.2) translate -TT*z } 852 object { SpineRow(-0.55,-0.15,-0.2) translate -TT*z } 853 union { 854 object { SpineRow(-0.55,-0.1,0) translate -TT*z } 855 object { SpineRow(-0.55,-0.1,0.1) translate -TT*z } 856 object { SpineRow(-0.55,-0.1,-0.1) translate -TT*z } 857 object { SpineRow(-0.55,-0.15,0.2) translate -TT*z } 858 object { SpineRow(-0.55,-0.15,-0.2) translate -TT*z } 859 scale <1,1,-1> 860 } 861 862 scale 0.9 863 } 864 865#declare CactusOrLeaf = 866 union { 867 #local TT = 0.05; 868 intersection { 869 870 union { 871 box { <0,0,-TT>, <0.25,0.5,TT> } 872 intersection { 873 box { <0,0,-TT>, <0.7,0.5,TT> } 874 object { cylinder { -1*z, 1*z, 0.5 } translate <0.25,0,0> } 875 object { cylinder { -1*z, 1*z, 0.5 } translate <0.25,0.5,0> } 876 } 877 } 878 object { cylinder { -1*z, 1*z, 0.5 } inverse translate <-0.4,0.25,0> } 879 translate <-.7,-.25,0> 880 } 881 882 object { SpineRow(-0.55,-0.1,0) translate -TT*z } 883 object { SpineRow(-0.55,-0.15,0.1) translate -TT*z } 884 object { SpineRow(-0.55,-0.15,-0.1) translate -TT*z } 885 object { SpineRow(-0.6,-0.3,0.2) translate -TT*z } 886 object { SpineRow(-0.6,-0.3,-0.2) translate -TT*z } 887 union { 888 object { SpineRow(-0.55,-0.1,0) translate -TT*z } 889 object { SpineRow(-0.55,-0.15,0.1) translate -TT*z } 890 object { SpineRow(-0.55,-0.15,-0.1) translate -TT*z } 891 object { SpineRow(-0.6,-0.3,0.2) translate -TT*z } 892 object { SpineRow(-0.6,-0.3,-0.2) translate -TT*z } 893 scale <1,1,-1> 894 } 895 896 scale 0.9 897 } 898 899#macro Cactus() 900 union { 901 #local CW = 0.2; 902 #local CH = 0.4; 903 904 sphere { <0,0,0>, CW scale <1,CH/CW,1> } 905 906 #local RZ1 = 20*(rand(cactusRand)-1)-5; 907 #local RZ2 = 20*(rand(cactusRand)-0); 908 #local RX1 = 20*(rand(cactusRand)-0.5); 909 #local RX2 = 20*(rand(cactusRand)-0.5); 910 #local RY = 60*(rand(cactusRand)-0.5); 911 #local L1 = rand(cactusRand); 912 #local L2 = rand(cactusRand); 913 914 #if (L1 < 0.5) 915 object { CactusOrLeaf rotate 30*x rotate RX1*z rotate RZ1*z translate <-0.15,-0.1,0> } 916 #else 917 object { CactusAndLeaf rotate 30*x rotate RX1*z rotate RZ1*z translate <-0.18,-0.1,0> } 918 #end 919 920 #if (L2 < 0.5) 921 object { CactusOrLeaf rotate 180*z rotate RX2*x rotate RZ2*z translate <0.15,0.1,0> } 922 #else 923 object { CactusAndLeaf rotate 180*z rotate RX2*x rotate RZ2*z translate <0.18,0.1,0> } 924 #end 925 926 #local A = 0; 927 #while (A < 360) 928 929 930 #local B = -30; 931 #while (B < 60) 932 #local DX = CW*cos(B*Pi/180); 933 #local DY = CH*sin(B*Pi/180); 934 935 936 object { SpineSet 937 rotate B*z 938 translate <DX,DY,0> 939 rotate A*y } 940 941 #local B = B + 10; 942 #end 943 944 #local A = A + 30; 945 #end 946 947 rotate RY*y 948 texture { Cactus_Text } 949 } 950#end 951 952#declare Cacti = 953 union { 954 object { Cactus() translate <-5,.45,-8> } 955 object { Cactus() translate <-8.9,.7,-4.7> } // Wing reflecting 956 object { Cactus() translate <5.5,.4,-7> } 957 object { Cactus() translate <2,.42,-8> } 958 object { Cactus() translate <8,.45,-6> } 959 960 } 961 962// 963// Put it all together here. 964// 965object { GateGround } // The ground 966object { GateClouds } // The clouds 967#if (showPosts) 968 object { Post translate -(1.95+PostRadius)*x } // The left gate post 969 object { Post translate (1.95+PostRadius)*x } // The right gate post 970#end 971#if (showFence) 972 object { IronWork } // The iron work 973#end 974#if (showDragons) 975 #if (DGView = 7) 976 object { Dragon(3) rotate 0*y scale 0.4 translate <2,11,20> } 977 #else 978 object { Dragon(1) rotate 30*y scale 0.4 translate <-4.5,2.3,-4> } 979 object { Dragon(2) rotate 30*y scale <-0.4,0.4,0.4> translate <4.3,2.1,-4> } 980 #end 981#end 982#if (showSign) 983 object { Sign rotate -40*y translate <-3.8,0,-10> } 984#end 985#if (showCacti) 986 object { Cacti } 987#end 988#if (showTrees) 989 object { TREE scale 6 translate <-11,0.2,5> } 990 object { TREE scale 6 translate <-4,0.8,7> } 991 object { TREE scale 6 translate <10,1.3,7> } 992#end 993 994// 995// Where are we anyway? 996// 997camera { 998 #switch (DGView) 999 #case (1) 1000 location <6.0, 7.25, -20> // Full view 1001 look_at <0,2.25,0> 1002 #break 1003 #case (2) 1004 location <-4.5, 2, -8> // left dragon feet 1005 look_at <-4.5,0,-4> 1006 #break 1007 #case (3) 1008 location <4.3, 2, -8> // left dragon feet 1009 look_at <4.4,0,-4> 1010 #break 1011 #case (4) 1012 location <-5, 0.6, -9.5> // Cactus view 1013 look_at <-5,.6,-8> 1014 #break 1015 #case (5) 1016 location <0.0, 2.25, -8> // Closeup 1017 look_at <0,2.25,0> 1018 #break 1019 #case (6) // Sign closeup 1020 location <-3,2,-13> 1021 look_at <-3.8,2,-10> 1022 up <0,1,0> 1023 #break 1024 #case (7) // Gate closeup 1025 location <0,2.5,-6> 1026 look_at <0,2.5,0> 1027 up <0,1,0> 1028 #end 1029} 1030 1031//light_source { <50.0, 40.0, -20.0> colour White *2 } 1032//light_source { <-99.0, 79.0, 20.0> colour White *1 } 1033//light_source { <0, 5.0, -20.0> colour White *1 } 1034//light_source { <0, 20.0, 20.0> colour White *1 } 1035 1036 1037// 1038// Let there be light! 1039// 1040#if (DGView = 7) 1041light_source { 1042 <200.0, 250.0, -250> 1043 colour White *3 1044 shadowless 1045} 1046 1047light_source { 1048 <-50.0, 90.0, -30> 1049 colour White*0.1 1050 shadowless 1051} 1052#else 1053light_source { 1054 <200.0, 250.0, -250> 1055 colour White *3 1056} 1057 1058light_source { 1059 <-50.0, 90.0, -30> 1060 colour White*0.1 1061 shadowless 1062} 1063#end 1064 1065
