Main Page Namespace List Class Hierarchy Compound List File List Compound Members File Members
Main Page Namespace List Class Hierarchy Compound List File List Compound Members File Members #include "shared.h"#include "polygon.h"#include "texture.h"#include "camera.h"#include "light.h"Go to the source code of this file.
Functions | |
| void | SetGLLighting (LIGHT *) |
| void | SetGLCamera (CAMERA *) |
| void | SetGLWorld (POLYGON *) |
| void | SetGLProperties () |
| void | SetGLProjection (int Width, int Height) |
| void | SetGLView (int Width, int Height) |
| void | SetGLMaterial () |
| void | SetGLLighting () |
| void | SetGLTexture (TEXTURE *) |
| VECTOR | line_plane_collision (VECTOR *a, VECTOR *b, POLYGON *plane) |
| void | DrawMyText () |
| void | DrawSkybox (CAMERA *camera, TEXTURE *texture) |
| void | DrawTerrain (TEXTURE *texture) |
| void | DrawGrid () |
| void | DrawCube (POLYGON *, TEXTURE *) |
| void | DrawSphere () |
| void | DrawLightSphere (LIGHT *) |
| void | DrawCone () |
| float | GetTimePassed (float &lasttime, int average, float *lastmultiplier) |
| bool | CheckClipPlanes (CAMERA Camera, VECTOR Vect) |
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Definition at line 692 of file general.cpp. References MagnitudeVector(), MultMatrix(), OBJECT::Position, VECTOR::x, VECTOR::y, and VECTOR::z. Referenced by SelectPolygon().
00693 {
00694 float ProjectionMatrix[16];
00695 float ModelViewMatrix[16];
00696 float A, B, C, Distance;
00697 int Counter = 0;
00698 glGetFloatv(GL_PROJECTION_MATRIX, ProjectionMatrix);
00699 glGetFloatv(GL_MODELVIEW_MATRIX, ModelViewMatrix);
00700
00701 MultMatrix(ProjectionMatrix, ModelViewMatrix);
00702
00703 //right clipping plane
00704 A = ProjectionMatrix[0] - ProjectionMatrix[3];
00705 B = ProjectionMatrix[4] - ProjectionMatrix[7];
00706 C = ProjectionMatrix[8] - ProjectionMatrix[11];
00707
00708 Distance = -1 * (A * (-Camera.Position.x + Vect.x) + B * (-Camera.Position.y + Vect.y) + C * (-Camera.Position.z + Vect.z));
00709 if (Distance > 0)
00710 Counter++;
00711
00712 //left clipping plane
00713 A = ProjectionMatrix[0] + ProjectionMatrix[3];
00714 B = ProjectionMatrix[4] + ProjectionMatrix[7];
00715 C = ProjectionMatrix[8] + ProjectionMatrix[11];
00716
00717 Distance = A * (-Camera.Position.x + Vect.x) + B * (-Camera.Position.y + Vect.y) + C * (-Camera.Position.z + Vect.z);
00718 if (Distance > 0)
00719 Counter++;
00720
00721 //top clipping plane
00722 A = ProjectionMatrix[1] - ProjectionMatrix[3];
00723 B = ProjectionMatrix[5] - ProjectionMatrix[7];
00724 C = ProjectionMatrix[9] - ProjectionMatrix[11];
00725
00726 Distance = -1 * (A * (-Camera.Position.x + Vect.x) + B * (-Camera.Position.y + Vect.y) + C * (-Camera.Position.z + Vect.z));
00727 if (Distance > 0)
00728 Counter++;
00729
00730 //bottom clipping plane
00731 A = ProjectionMatrix[1] + ProjectionMatrix[3];
00732 B = ProjectionMatrix[5] + ProjectionMatrix[7];
00733 C = ProjectionMatrix[9] + ProjectionMatrix[11];
00734
00735 Distance = A * (-Camera.Position.x + Vect.x) + B * (-Camera.Position.y + Vect.y) + C * (-Camera.Position.z + Vect.z);
00736 if (Distance > 0)
00737 Counter++;
00738
00739 // near clipping plane (might not be necessary when the near frustrum plane is close, but just in case)
00740 A = ProjectionMatrix[2] - ProjectionMatrix[3];
00741 B = ProjectionMatrix[6] - ProjectionMatrix[7];
00742 C = ProjectionMatrix[10] - ProjectionMatrix[11];
00743
00744 Distance = A * (-Camera.Position.x + Vect.x) + B * (-Camera.Position.y + Vect.y) + C * (-Camera.Position.z + Vect.z);
00745 if (Distance > 0)
00746 Counter++;
00747
00748 // far clipping plane (the equation didn't work for the far plane, so I'll just use a distance test)
00749 VECTOR Vect2;
00750 Vect2.x = Vect.x - Camera.Position.x;
00751 Vect2.y = Vect.y - Camera.Position.y;
00752 Vect2.z = Vect.z - Camera.Position.z;
00753 if (MagnitudeVector(Vect2) < 200)
00754 Counter++;
00755
00756 if (Counter == 6)
00757 return 1;
00758 else
00759 return 0;
00760 }
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Definition at line 635 of file general.cpp. Referenced by DrawGLScene().
00636 {
00637 float mat_ambient[] = { 0.1, 0.5, 1.0, 1.0 };
00638 float mat_diffuse[] = { 0.1, 0.5, 1.0, 1.0 };
00639 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
00640 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
00641
00642 glDisable(GL_TEXTURE_2D);
00643 glDisable(GL_CULL_FACE);
00644 glPushMatrix();
00645 glTranslatef(3.0f,-2.0f,-8.0f);
00646 glRotatef(-90,1,0,0);
00647 GLUquadricObj * cylinder = gluNewQuadric();
00648 gluQuadricOrientation(cylinder, GLU_OUTSIDE);
00649 gluCylinder(cylinder,1.0,0.0,2.0,20,20);
00650 glPopMatrix();
00651 glEnable(GL_CULL_FACE);
00652 glEnable(GL_TEXTURE_2D);
00653 }
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Definition at line 452 of file general.cpp. References polygon, and selectedPolygon. Referenced by DrawGLScene().
00453 {
00454 float mat_ambient[] = { 0.8, 0.8, 0.8, 1.0 };
00455 float mat_diffuse[] = { 0.8, 0.8, 0.8, 1.0 };
00456 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
00457 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
00458 glColor3f(1.0, 1.0, 0.0);
00459
00460 glBindTexture(GL_TEXTURE_2D, texture[0].TexID);
00461
00462 glPushMatrix();
00463 // Very unoptimized method of highlighting the polygons if selected (suitable for this demo)
00464 if (selectedPolygon == 0)
00465 glDisable(GL_LIGHTING);
00466 glBegin(GL_TRIANGLES);
00467 // Front Face
00468 glNormal3fv(&polygon[0].Vertex[0].normal.x);
00469 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[0].Vertex[0].coords.x);
00470 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[0].Vertex[1].coords.x);
00471 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[0].Vertex[2].coords.x);
00472 glEnd();
00473 glEnable(GL_LIGHTING);
00474
00475 if (selectedPolygon == 1)
00476 glDisable(GL_LIGHTING);
00477 glBegin(GL_TRIANGLES);
00478 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[1].Vertex[0].coords.x);
00479 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[1].Vertex[1].coords.x);
00480 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[1].Vertex[2].coords.x);
00481 glEnd();
00482 glEnable(GL_LIGHTING);
00483
00484 // Back Face
00485 if (selectedPolygon == 2)
00486 glDisable(GL_LIGHTING);
00487 glBegin(GL_TRIANGLES);
00488 glNormal3fv(&polygon[2].Vertex[0].normal.x);
00489 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[2].Vertex[0].coords.x);
00490 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[2].Vertex[1].coords.x);
00491 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[2].Vertex[2].coords.x);
00492 glEnd();
00493 glEnable(GL_LIGHTING);
00494
00495 if (selectedPolygon == 3)
00496 glDisable(GL_LIGHTING);
00497 glBegin(GL_TRIANGLES);
00498 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[3].Vertex[0].coords.x);
00499 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[3].Vertex[1].coords.x);
00500 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[3].Vertex[2].coords.x);
00501 glEnd();
00502 glEnable(GL_LIGHTING);
00503
00504 // Top Face
00505 if (selectedPolygon == 4)
00506 glDisable(GL_LIGHTING);
00507 glBegin(GL_TRIANGLES);
00508 glNormal3fv(&polygon[4].Vertex[0].normal.x);
00509 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[4].Vertex[0].coords.x);
00510 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[4].Vertex[1].coords.x);
00511 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[4].Vertex[2].coords.x);
00512 glEnd();
00513 glEnable(GL_LIGHTING);
00514
00515 if (selectedPolygon == 5)
00516 glDisable(GL_LIGHTING);
00517 glBegin(GL_TRIANGLES);
00518 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[5].Vertex[0].coords.x);
00519 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[5].Vertex[1].coords.x);
00520 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[5].Vertex[2].coords.x);
00521 glEnd();
00522 glEnable(GL_LIGHTING);
00523
00524 // Bottom Face
00525 if (selectedPolygon == 6)
00526 glDisable(GL_LIGHTING);
00527 glBegin(GL_TRIANGLES);
00528 glNormal3fv(&polygon[6].Vertex[0].normal.x);
00529 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[6].Vertex[0].coords.x);
00530 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[6].Vertex[1].coords.x);
00531 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[6].Vertex[2].coords.x);
00532 glEnd();
00533 glEnable(GL_LIGHTING);
00534
00535 if (selectedPolygon == 7)
00536 glDisable(GL_LIGHTING);
00537 glBegin(GL_TRIANGLES);
00538 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[7].Vertex[0].coords.x);
00539 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[7].Vertex[1].coords.x);
00540 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[7].Vertex[2].coords.x);
00541 glEnd();
00542 glEnable(GL_LIGHTING);
00543 // Right face
00544
00545 if (selectedPolygon == 8)
00546 glDisable(GL_LIGHTING);
00547 glBegin(GL_TRIANGLES);
00548 glNormal3fv(&polygon[8].Vertex[0].normal.x);
00549 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[8].Vertex[0].coords.x);
00550 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[8].Vertex[1].coords.x);
00551 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[8].Vertex[2].coords.x);
00552 glEnd();
00553 glEnable(GL_LIGHTING);
00554
00555 if (selectedPolygon == 9)
00556 glDisable(GL_LIGHTING);
00557 glBegin(GL_TRIANGLES);
00558 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[9].Vertex[0].coords.x);
00559 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[9].Vertex[1].coords.x);
00560 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[9].Vertex[2].coords.x);
00561 glEnd();
00562 glEnable(GL_LIGHTING);
00563
00564 // Left Face
00565 if (selectedPolygon == 10)
00566 glDisable(GL_LIGHTING);
00567 glBegin(GL_TRIANGLES);
00568 glNormal3fv(&polygon[10].Vertex[0].normal.x);
00569 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[10].Vertex[0].coords.x);
00570 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&polygon[10].Vertex[1].coords.x);
00571 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[10].Vertex[2].coords.x);
00572 glEnd();
00573 glEnable(GL_LIGHTING);
00574
00575 if (selectedPolygon == 11)
00576 glDisable(GL_LIGHTING);
00577 glBegin(GL_TRIANGLES);
00578 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&polygon[11].Vertex[0].coords.x);
00579 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&polygon[11].Vertex[1].coords.x);
00580 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&polygon[11].Vertex[2].coords.x);
00581 glEnd();
00582 glEnable(GL_LIGHTING);
00583 glPopMatrix();
00584 }
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Definition at line 427 of file general.cpp.
00428 {
00429 glDisable(GL_TEXTURE_2D);
00430 glDisable(GL_LIGHTING);
00431 glPushMatrix();
00432 glTranslatef(0,-2.0,0);
00433 float Line = -10;
00434 int Grid;
00435 glBegin(GL_LINES);
00436 for(Grid = 0; Grid <= 20; Grid += 1)
00437 {
00438 glColor3f(0.0f,1.0f,0.0f);
00439 glVertex3f(Line + Grid, 0, -10);
00440 glVertex3f(Line + Grid, 0, 10);
00441 glVertex3f(-10, 0, Line + Grid);
00442 glVertex3f(10, 0, Line + Grid);
00443 }
00444 glEnd();
00445 glPopMatrix();
00446 glEnable(GL_TEXTURE_2D);
00447 glEnable(GL_LIGHTING);
00448 }
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Definition at line 297 of file general.cpp. References currentCamera, GetNormal(), VECTOR::x, VECTOR::y, and VECTOR::z. Referenced by DrawGLScene().
00298 {
00299 VECTOR facenormal;
00300 VECTOR SkyboxVertex[8];
00301
00302 // make the skybox relative to the camera position
00303 SkyboxVertex[0].x = camera[currentCamera].Position.x - 50.0;
00304 SkyboxVertex[0].y = camera[currentCamera].Position.y - 10.0;
00305 SkyboxVertex[0].z = camera[currentCamera].Position.z + 50.0;
00306
00307 SkyboxVertex[1].x = camera[currentCamera].Position.x - 50.0;
00308 SkyboxVertex[1].y = camera[currentCamera].Position.y - 10.0;
00309 SkyboxVertex[1].z = camera[currentCamera].Position.z - 50.0;
00310
00311 SkyboxVertex[2].x = camera[currentCamera].Position.x + 50.0;
00312 SkyboxVertex[2].y = camera[currentCamera].Position.y - 10.0;
00313 SkyboxVertex[2].z = camera[currentCamera].Position.z - 50.0;
00314
00315 SkyboxVertex[3].x = camera[currentCamera].Position.x + 50.0;
00316 SkyboxVertex[3].y = camera[currentCamera].Position.y - 10.0;
00317 SkyboxVertex[3].z = camera[currentCamera].Position.z + 50.0;
00318
00319 SkyboxVertex[4].x = camera[currentCamera].Position.x - 50.0;
00320 SkyboxVertex[4].y = camera[currentCamera].Position.y + 20.0;
00321 SkyboxVertex[4].z = camera[currentCamera].Position.z + 50.0;
00322
00323 SkyboxVertex[5].x = camera[currentCamera].Position.x - 50.0;
00324 SkyboxVertex[5].y = camera[currentCamera].Position.y + 20.0;
00325 SkyboxVertex[5].z = camera[currentCamera].Position.z - 50.0;
00326
00327 SkyboxVertex[6].x = camera[currentCamera].Position.x + 50.0;
00328 SkyboxVertex[6].y = camera[currentCamera].Position.y + 20.0;
00329 SkyboxVertex[6].z = camera[currentCamera].Position.z - 50.0;
00330
00331 SkyboxVertex[7].x = camera[currentCamera].Position.x + 50.0;
00332 SkyboxVertex[7].y = camera[currentCamera].Position.y + 20.0;
00333 SkyboxVertex[7].z = camera[currentCamera].Position.z + 50.0;
00334
00335 glDisable(GL_CULL_FACE);
00336 glDisable(GL_LIGHTING);
00337 glPushMatrix();
00338 glColor3f(1.0f, 1.0f, 1.0f);
00339
00340 // Left Face
00341 glBindTexture(GL_TEXTURE_2D, texture[1].TexID);
00342 glBegin(GL_QUADS);
00343 facenormal = GetNormal(SkyboxVertex[6], SkyboxVertex[0], SkyboxVertex[3]);
00344 glNormal3fv(&facenormal.x);
00345 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&SkyboxVertex[0].x);
00346 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&SkyboxVertex[1].x);
00347 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&SkyboxVertex[5].x);
00348 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&SkyboxVertex[4].x);
00349 glEnd();
00350
00351 // Back Face
00352 glBindTexture(GL_TEXTURE_2D, texture[2].TexID);
00353 glBegin(GL_QUADS);
00354 facenormal = GetNormal(SkyboxVertex[4], SkyboxVertex[5], SkyboxVertex[7]);
00355 glNormal3fv(&facenormal.x);
00356 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&SkyboxVertex[1].x);
00357 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&SkyboxVertex[2].x);
00358 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&SkyboxVertex[6].x);
00359 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&SkyboxVertex[5].x);
00360 glEnd();
00361
00362 // Right Face
00363 glBindTexture(GL_TEXTURE_2D, texture[3].TexID);
00364 glBegin(GL_QUADS);
00365 facenormal = GetNormal(SkyboxVertex[1], SkyboxVertex[7], SkyboxVertex[5]);
00366 glNormal3fv(&facenormal.x);
00367 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&SkyboxVertex[2].x);
00368 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&SkyboxVertex[3].x);
00369 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&SkyboxVertex[7].x);
00370 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&SkyboxVertex[6].x);
00371 glEnd();
00372
00373 // Front Face
00374 glBindTexture(GL_TEXTURE_2D, texture[4].TexID);
00375 glBegin(GL_QUADS);
00376 glColor3f(1.0f,1.0f,1.0f);
00377 facenormal = GetNormal(SkyboxVertex[0], SkyboxVertex[1], SkyboxVertex[2]);
00378 glNormal3fv(&facenormal.x);
00379 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&SkyboxVertex[3].x);
00380 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&SkyboxVertex[0].x);
00381 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&SkyboxVertex[4].x);
00382 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&SkyboxVertex[7].x);
00383 glEnd();
00384
00385 // Top Face
00386 glBindTexture(GL_TEXTURE_2D, texture[5].TexID);
00387 glBegin(GL_QUADS);
00388 facenormal = GetNormal(SkyboxVertex[3], SkyboxVertex[2], SkyboxVertex[5]);
00389 glNormal3fv(&facenormal.x);
00390 glTexCoord2f(0.0f, 0.0f); glVertex3fv(&SkyboxVertex[7].x);
00391 glTexCoord2f(1.0f, 0.0f); glVertex3fv(&SkyboxVertex[4].x);
00392 glTexCoord2f(1.0f, 1.0f); glVertex3fv(&SkyboxVertex[5].x);
00393 glTexCoord2f(0.0f, 1.0f); glVertex3fv(&SkyboxVertex[6].x);
00394 glEnd();
00395
00396 glPopMatrix();
00397 glEnable(GL_CULL_FACE);
00398 glEnable(GL_LIGHTING);
00399 }
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Definition at line 618 of file general.cpp. Referenced by DrawGLScene().
00619 {
00620 float mat_ambient[] = { 0.8, 0.5, 0.1, 1.0 };
00621 float mat_diffuse[] = { 0.8, 0.5, 0.1, 1.0 };
00622 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
00623 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
00624
00625 glDisable(GL_TEXTURE_2D);
00626 glPushMatrix();
00627 glTranslatef(-3.0f,-1.0f,-8.0f);
00628 GLUquadricObj * sphere = gluNewQuadric();
00629 gluQuadricOrientation(sphere, GLU_OUTSIDE);
00630 gluSphere(sphere,1.0,50,50);
00631 glPopMatrix();
00632 glEnable(GL_TEXTURE_2D);
00633 }
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Definition at line 401 of file general.cpp. Referenced by DrawGLScene().
00402 {
00403 float mat_ambient[] = { 0.8, 0.8, 0.8, 1.0 };
00404 float mat_diffuse[] = { 0.8, 0.8, 0.8, 1.0 };
00405 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
00406 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
00407
00408 glBindTexture(GL_TEXTURE_2D, texture[7].TexID);
00409
00410 glDisable(GL_CULL_FACE);
00411 glPushMatrix();
00412 glBegin(GL_QUADS);
00413 glNormal3f(0.0, 1.0, 0.0);
00414 glTexCoord2f( 0.0f, 0.0f );
00415 glVertex3f(-10.0, -2.0, 10.0);
00416 glTexCoord2f( 1.0f, 0.0f );
00417 glVertex3f(10.0, -2.0, 10.0);
00418 glTexCoord2f( 1.0f, 1.0f );
00419 glVertex3f(10.0, -2.0, -10.0);
00420 glTexCoord2f( 0.0f, 1.0f );
00421 glVertex3f(-10, -2.0, -10.0);
00422 glEnd();
00423 glPopMatrix();
00424 glEnable(GL_CULL_FACE);
00425 }
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Definition at line 655 of file general.cpp. References average, fps, lastmultiplier, lasttime, and multiplier. Referenced by WinMain().
00656 {
00657 float timeoffset;
00658 float currenttime;
00659 /*
00660 If the program has just started, set last tickcount to the current tickcount.
00661 This prevents the program from thinking that several hours have passed since the last frame.
00662 */
00663 if (lasttime == 0)
00664 lasttime = (float)GetTickCount();
00665 // Get the current time
00666 currenttime = (float)GetTickCount();
00667 // Calculate the offset
00668 timeoffset = currenttime - lasttime;
00669 // If timeoffset less than 1/120 of a second (in milliseconds) then set to minimum offset
00670 if (timeoffset < 8.333333)
00671 {
00672 timeoffset = 8.333333;
00673 currenttime = lasttime + timeoffset;
00674 }
00675 // Put the current time in the lasttime variable
00676 lasttime = currenttime;
00677 // return the time offset in seconds per frame
00678 multiplier = timeoffset / 1000;
00679 for (int loop = 0; loop < average - 1; loop++)
00680 {
00681 lastmultiplier[loop] = lastmultiplier[loop + 1];
00682 }
00683 lastmultiplier[average - 1] = multiplier;
00684 for (int loop = 0; loop < average - 1; loop++)
00685 multiplier += lastmultiplier[loop];
00686 multiplier /= (float)average;
00687 if (multiplier)
00688 fps = (int)(1.0 / multiplier);
00689 return multiplier;
00690 }
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Definition at line 258 of file general.cpp. References VERTEX::coords, VERTEX::normal, POLYGON::Vertex, VECTOR::x, VECTOR::y, and VECTOR::z. Referenced by SelectPolygon().
00259 {
00260 float Distance = -(plane->Vertex[0].coords.x * plane->Vertex[0].normal.x + plane->Vertex[0].coords.y * plane->Vertex[0].normal.y + plane->Vertex[0].coords.z * plane->Vertex[0].normal.z);
00261 float final_x,final_y,final_z,final_t;
00262 float t,i;
00263 VECTOR temp;
00264
00265 t=(float)0; i=(float)0;
00266 i+=(float)(plane->Vertex[0].normal.x*b->x)+(plane->Vertex[0].normal.y*b->y)+(plane->Vertex[0].normal.z*b->z)+(Distance);
00267 t+=(float)(plane->Vertex[0].normal.x*(b->x*-1))+(plane->Vertex[0].normal.y*(b->y*-1))+(plane->Vertex[0].normal.z*(b->z*-1));
00268 t+=(float)(plane->Vertex[0].normal.x*a->x)+(plane->Vertex[0].normal.y*a->y)+(plane->Vertex[0].normal.z*a->z);
00269
00270 // Be wary of possible divide-by-zeros here (i.e. if t==0)
00271 if (t)
00272 final_t = (-i)/t;
00273 else
00274 final_t = 0;
00275 // Vertical Line Segment
00276 if ((a->x == b->x)&&(a->z == b->z))
00277 { // vertical line segment
00278
00279 temp.x = a->x;
00280 temp.y = (-((plane->Vertex[0].normal.x*a->x)+(plane->Vertex[0].normal.z*a->z)+(Distance)))/(plane->Vertex[0].normal.y);
00281 temp.z = a->z;
00282
00283 return(temp);
00284 }
00285
00286 final_x = (((a->x)*(final_t))+((b->x)*(1-final_t)));
00287 final_y = (((a->y)*(final_t))+((b->y)*(1-final_t)));
00288 final_z = (((a->z)*(final_t))+((b->z)*(1-final_t)));
00289
00290 temp.x = final_x;
00291 temp.y = final_y;
00292 temp.z = final_z;
00293
00294 return(temp);
00295 }
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Definition at line 30 of file general.cpp. References numCameras, and CAMERA::Reset(). Referenced by InitGL().
00031 {
00032 int temp;
00033 for(temp = 0; temp <= numCameras; temp++)
00034 camera[temp].Reset();
00035 }
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Definition at line 19 of file general.cpp. References LIGHT::LightNumber, numLights, and LIGHT::Reset(). Referenced by InitGL().
00020 {
00021 int temp;
00022 for (temp = 0; temp <= numLights; temp++)
00023 {
00024 light[temp].LightNumber = temp;
00025 light[temp].Reset();
00026 }
00027 glEnable(GL_LIGHTING);
00028 }
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Definition at line 215 of file general.cpp. Referenced by InitGL().
00216 {
00217 float mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
00218 float mat_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
00219 float mat_specular[] = { 0.9, 0.9, 0.9, 1.0 };
00220 float mat_emission[] = { 0.0, 0.0, 0.0, 1.0 };
00221 float mat_shininess[] = { 80.0 };
00222
00223 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
00224 glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
00225 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
00226 glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
00227 glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
00228 }
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Definition at line 198 of file general.cpp. Referenced by SetGLView().
00199 {
00200 if (Height==0)
00201 Height=1;
00202 glViewport(0, 0, Width, Height);
00203 glMatrixMode(GL_PROJECTION);
00204 glLoadIdentity();
00205 gluPerspective(45.0,(float)Width/(float)Height,0.5,200.0);
00206 }
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Definition at line 186 of file general.cpp. Referenced by InitGL().
00187 {
00188 glCullFace(GL_BACK);
00189 glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
00190 glClearDepth(1.0);
00191 glDepthFunc(GL_LESS);
00192 glEnable(GL_DEPTH_TEST);
00193 glShadeModel(GL_SMOOTH);
00194 glEnable(GL_NORMALIZE);
00195 glEnable(GL_CULL_FACE);
00196 }
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Definition at line 230 of file general.cpp. References TEXTURE::LoadTGA(). Referenced by InitGL().
00231 {
00232 sprintf(texture[0].TexName, "%s", "tile.tga");
00233 texture[0].LoadTGA();
00234
00235 sprintf(texture[1].TexName, "%s", "north.tga");
00236 texture[1].LoadTGA();
00237
00238 sprintf(texture[2].TexName, "%s", "east.tga");
00239 texture[2].LoadTGA();
00240
00241 sprintf(texture[3].TexName, "%s", "south.tga");
00242 texture[3].LoadTGA();
00243
00244 sprintf(texture[4].TexName, "%s", "west.tga");
00245 texture[4].LoadTGA();
00246
00247 sprintf(texture[5].TexName, "%s", "sky.tga");
00248 texture[5].LoadTGA();
00249
00250 sprintf(texture[6].TexName, "%s", "glare.tga");
00251 texture[6].LoadTGA();
00252
00253 sprintf(texture[7].TexName, "%s", "terrain.tga");
00254 texture[7].LoadTGA();
00255 }
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Definition at line 208 of file general.cpp. References SetGLProjection(). Referenced by InitGL(), and ReSizeGLScene().
00209 {
00210 SetGLProjection(Width, Height);
00211 glMatrixMode(GL_MODELVIEW);
00212 glLoadIdentity();
00213 }
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Definition at line 37 of file general.cpp. References VERTEX::coords, POLYGON::numVertices, polygon, POLYGON::SetNormal(), POLYGON::Vertex, VECTOR::x, VECTOR::y, and VECTOR::z. Referenced by InitGL().
00038 {
00039 //Front
00040 polygon[0].numVertices = 3;
00041 polygon[0].Vertex[0].coords.x = -1.0;
00042 polygon[0].Vertex[0].coords.y = -1.0;
00043 polygon[0].Vertex[0].coords.z = -4.0;
00044 polygon[0].Vertex[1].coords.x = 1.0;
00045 polygon[0].Vertex[1].coords.y = -1.0;
00046 polygon[0].Vertex[1].coords.z = -4.0;
00047 polygon[0].Vertex[2].coords.x = 1.0;
00048 polygon[0].Vertex[2].coords.y = 1.0;
00049 polygon[0].Vertex[2].coords.z = -4.0;
00050
00051 polygon[1].numVertices = 3;
00052 polygon[1].Vertex[0].coords.x = -1.0;
00053 polygon[1].Vertex[0].coords.y = -1.0;
00054 polygon[1].Vertex[0].coords.z = -4.0;
00055 polygon[1].Vertex[1].coords.x = 1.0;
00056 polygon[1].Vertex[1].coords.y = 1.0;
00057 polygon[1].Vertex[1].coords.z = -4.0;
00058 polygon[1].Vertex[2].coords.x = -1.0;
00059 polygon[1].Vertex[2].coords.y = 1.0;
00060 polygon[1].Vertex[2].coords.z = -4.0;
00061 //Back
00062 polygon[2].numVertices = 3;
00063 polygon[2].Vertex[0].coords.x = 1.0;
00064 polygon[2].Vertex[0].coords.y = -1.0;
00065 polygon[2].Vertex[0].coords.z = -6.0;
00066 polygon[2].Vertex[1].coords.x = -1.0;
00067 polygon[2].Vertex[1].coords.y = -1.0;
00068 polygon[2].Vertex[1].coords.z = -6.0;
00069 polygon[2].Vertex[2].coords.x = -1.0;
00070 polygon[2].Vertex[2].coords.y = 1.0;
00071 polygon[2].Vertex[2].coords.z = -6.0;
00072
00073 polygon[3].numVertices = 3;
00074 polygon[3].Vertex[0].coords.x = 1.0;
00075 polygon[3].Vertex[0].coords.y = -1.0;
00076 polygon[3].Vertex[0].coords.z = -6.0;
00077 polygon[3].Vertex[1].coords.x = -1.0;
00078 polygon[3].Vertex[1].coords.y = 1.0;
00079 polygon[3].Vertex[1].coords.z = -6.0;
00080 polygon[3].Vertex[2].coords.x = 1.0;
00081 polygon[3].Vertex[2].coords.y = 1.0;
00082 polygon[3].Vertex[2].coords.z = -6.0;
00083 //Left
00084 polygon[4].numVertices = 3;
00085 polygon[4].Vertex[0].coords.x = -1.0;
00086 polygon[4].Vertex[0].coords.y = -1.0;
00087 polygon[4].Vertex[0].coords.z = -6.0;
00088 polygon[4].Vertex[1].coords.x = -1.0;
00089 polygon[4].Vertex[1].coords.y = -1.0;
00090 polygon[4].Vertex[1].coords.z = -4.0;
00091 polygon[4].Vertex[2].coords.x = -1.0;
00092 polygon[4].Vertex[2].coords.y = 1.0;
00093 polygon[4].Vertex[2].coords.z = -4.0;
00094
00095 polygon[5].numVertices = 3;
00096 polygon[5].Vertex[0].coords.x = -1.0;
00097 polygon[5].Vertex[0].coords.y = -1.0;
00098 polygon[5].Vertex[0].coords.z = -6.0;
00099 polygon[5].Vertex[1].coords.x = -1.0;
00100 polygon[5].Vertex[1].coords.y = 1.0;
00101 polygon[5].Vertex[1].coords.z = -4.0;
00102 polygon[5].Vertex[2].coords.x = -1.0;
00103 polygon[5].Vertex[2].coords.y = 1.0;
00104 polygon[5].Vertex[2].coords.z = -6.0;
00105 //Right
00106 polygon[6].numVertices = 3;
00107 polygon[6].Vertex[0].coords.x = 1.0;
00108 polygon[6].Vertex[0].coords.y = -1.0;
00109 polygon[6].Vertex[0].coords.z = -4.0;
00110 polygon[6].Vertex[1].coords.x = 1.0;
00111 polygon[6].Vertex[1].coords.y = -1.0;
00112 polygon[6].Vertex[1].coords.z = -6.0;
00113 polygon[6].Vertex[2].coords.x = 1.0;
00114 polygon[6].Vertex[2].coords.y = 1.0;
00115 polygon[6].Vertex[2].coords.z = -6.0;
00116
00117 polygon[7].numVertices = 3;
00118 polygon[7].Vertex[0].coords.x = 1.0;
00119 polygon[7].Vertex[0].coords.y = -1.0;
00120 polygon[7].Vertex[0].coords.z = -4.0;
00121 polygon[7].Vertex[1].coords.x = 1.0;
00122 polygon[7].Vertex[1].coords.y = 1.0;
00123 polygon[7].Vertex[1].coords.z = -6.0;
00124 polygon[7].Vertex[2].coords.x = 1.0;
00125 polygon[7].Vertex[2].coords.y = 1.0;
00126 polygon[7].Vertex[2].coords.z = -4.0;
00127 //Top
00128 polygon[8].numVertices = 3;
00129 polygon[8].Vertex[0].coords.x = 1.0;
00130 polygon[8].Vertex[0].coords.y = 1.0;
00131 polygon[8].Vertex[0].coords.z = -4.0;
00132 polygon[8].Vertex[1].coords.x = 1.0;
00133 polygon[8].Vertex[1].coords.y = 1.0;
00134 polygon[8].Vertex[1].coords.z = -6.0;
00135 polygon[8].Vertex[2].coords.x = -1.0;
00136 polygon[8].Vertex[2].coords.y = 1.0;
00137 polygon[8].Vertex[2].coords.z = -6.0;
00138
00139 polygon[9].numVertices = 3;
00140 polygon[9].Vertex[0].coords.x = 1.0;
00141 polygon[9].Vertex[0].coords.y = 1.0;
00142 polygon[9].Vertex[0].coords.z = -4.0;
00143 polygon[9].Vertex[1].coords.x = -1.0;
00144 polygon[9].Vertex[1].coords.y = 1.0;
00145 polygon[9].Vertex[1].coords.z = -6.0;
00146 polygon[9].Vertex[2].coords.x = -1.0;
00147 polygon[9].Vertex[2].coords.y = 1.0;
00148 polygon[9].Vertex[2].coords.z = -4.0;
00149 //Bottom
00150 polygon[10].numVertices = 3;
00151 polygon[10].Vertex[0].coords.x = -1.0;
00152 polygon[10].Vertex[0].coords.y = -1.0;
00153 polygon[10].Vertex[0].coords.z = -4.0;
00154 polygon[10].Vertex[1].coords.x = -1.0;
00155 polygon[10].Vertex[1].coords.y = -1.0;
00156 polygon[10].Vertex[1].coords.z = -6.0;
00157 polygon[10].Vertex[2].coords.x = 1.0;
00158 polygon[10].Vertex[2].coords.y = -1.0;
00159 polygon[10].Vertex[2].coords.z = -6.0;
00160
00161 polygon[11].numVertices = 3;
00162 polygon[11].Vertex[0].coords.x = -1.0;
00163 polygon[11].Vertex[0].coords.y = -1.0;
00164 polygon[11].Vertex[0].coords.z = -4.0;
00165 polygon[11].Vertex[1].coords.x = 1.0;
00166 polygon[11].Vertex[1].coords.y = -1.0;
00167 polygon[11].Vertex[1].coords.z = -6.0;
00168 polygon[11].Vertex[2].coords.x = 1.0;
00169 polygon[11].Vertex[2].coords.y = -1.0;
00170 polygon[11].Vertex[2].coords.z = -4.0;
00171
00172 polygon[0].SetNormal();
00173 polygon[1].SetNormal();
00174 polygon[2].SetNormal();
00175 polygon[3].SetNormal();
00176 polygon[4].SetNormal();
00177 polygon[5].SetNormal();
00178 polygon[6].SetNormal();
00179 polygon[7].SetNormal();
00180 polygon[8].SetNormal();
00181 polygon[9].SetNormal();
00182 polygon[10].SetNormal();
00183 polygon[11].SetNormal();
00184 }
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1.2.15