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Diffstat (limited to 'src/glut/mini/models.c')
-rw-r--r-- | src/glut/mini/models.c | 598 |
1 files changed, 0 insertions, 598 deletions
diff --git a/src/glut/mini/models.c b/src/glut/mini/models.c deleted file mode 100644 index 3f955b88ff6..00000000000 --- a/src/glut/mini/models.c +++ /dev/null @@ -1,598 +0,0 @@ - -/* Copyright (c) Mark J. Kilgard, 1994, 1997. */ - -/** -(c) Copyright 1993, Silicon Graphics, Inc. - -ALL RIGHTS RESERVED - -Permission to use, copy, modify, and distribute this software -for any purpose and without fee is hereby granted, provided -that the above copyright notice appear in all copies and that -both the copyright notice and this permission notice appear in -supporting documentation, and that the name of Silicon -Graphics, Inc. not be used in advertising or publicity -pertaining to distribution of the software without specific, -written prior permission. - -THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU -"AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR -OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF -MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO -EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE -ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR -CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER, -INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE, -SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR -NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY -OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, -ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR -PERFORMANCE OF THIS SOFTWARE. - -US Government Users Restricted Rights - -Use, duplication, or disclosure by the Government is subject to -restrictions set forth in FAR 52.227.19(c)(2) or subparagraph -(c)(1)(ii) of the Rights in Technical Data and Computer -Software clause at DFARS 252.227-7013 and/or in similar or -successor clauses in the FAR or the DOD or NASA FAR -Supplement. Unpublished-- rights reserved under the copyright -laws of the United States. Contractor/manufacturer is Silicon -Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA -94039-7311. - -OpenGL(TM) is a trademark of Silicon Graphics, Inc. -*/ - -#include <math.h> -#include <GL/gl.h> -#include <GL/glu.h> -#include "GL/glut.h" - -/* Some <math.h> files do not define M_PI... */ -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -static GLUquadricObj *quadObj; - -#define QUAD_OBJ_INIT() { if(!quadObj) initQuadObj(); } - -static void -initQuadObj(void) -{ - quadObj = gluNewQuadric(); -/* if (!quadObj) - __glutFatalError("out of memory."); */ -} - -/* CENTRY */ -void APIENTRY -glutWireSphere(GLdouble radius, GLint slices, GLint stacks) -{ - QUAD_OBJ_INIT(); - gluQuadricDrawStyle(quadObj, GLU_LINE); - gluQuadricNormals(quadObj, GLU_SMOOTH); - /* If we ever changed/used the texture or orientation state - of quadObj, we'd need to change it to the defaults here - with gluQuadricTexture and/or gluQuadricOrientation. */ - gluSphere(quadObj, radius, slices, stacks); -} - -void APIENTRY -glutSolidSphere(GLdouble radius, GLint slices, GLint stacks) -{ - QUAD_OBJ_INIT(); - gluQuadricDrawStyle(quadObj, GLU_FILL); - gluQuadricNormals(quadObj, GLU_SMOOTH); - /* If we ever changed/used the texture or orientation state - of quadObj, we'd need to change it to the defaults here - with gluQuadricTexture and/or gluQuadricOrientation. */ - gluSphere(quadObj, radius, slices, stacks); -} - -void APIENTRY -glutWireCone(GLdouble base, GLdouble height, - GLint slices, GLint stacks) -{ - QUAD_OBJ_INIT(); - gluQuadricDrawStyle(quadObj, GLU_LINE); - gluQuadricNormals(quadObj, GLU_SMOOTH); - /* If we ever changed/used the texture or orientation state - of quadObj, we'd need to change it to the defaults here - with gluQuadricTexture and/or gluQuadricOrientation. */ - gluCylinder(quadObj, base, 0.0, height, slices, stacks); -} - -void APIENTRY -glutSolidCone(GLdouble base, GLdouble height, - GLint slices, GLint stacks) -{ - QUAD_OBJ_INIT(); - gluQuadricDrawStyle(quadObj, GLU_FILL); - gluQuadricNormals(quadObj, GLU_SMOOTH); - /* If we ever changed/used the texture or orientation state - of quadObj, we'd need to change it to the defaults here - with gluQuadricTexture and/or gluQuadricOrientation. */ - gluCylinder(quadObj, base, 0.0, height, slices, stacks); -} - -/* ENDCENTRY */ - -static void -drawBox(GLfloat size, GLenum type) -{ - static GLfloat n[6][3] = - { - {-1.0, 0.0, 0.0}, - {0.0, 1.0, 0.0}, - {1.0, 0.0, 0.0}, - {0.0, -1.0, 0.0}, - {0.0, 0.0, 1.0}, - {0.0, 0.0, -1.0} - }; - static GLint faces[6][4] = - { - {0, 1, 2, 3}, - {3, 2, 6, 7}, - {7, 6, 5, 4}, - {4, 5, 1, 0}, - {5, 6, 2, 1}, - {7, 4, 0, 3} - }; - GLfloat v[8][3]; - GLint i; - - v[0][0] = v[1][0] = v[2][0] = v[3][0] = -size / 2; - v[4][0] = v[5][0] = v[6][0] = v[7][0] = size / 2; - v[0][1] = v[1][1] = v[4][1] = v[5][1] = -size / 2; - v[2][1] = v[3][1] = v[6][1] = v[7][1] = size / 2; - v[0][2] = v[3][2] = v[4][2] = v[7][2] = -size / 2; - v[1][2] = v[2][2] = v[5][2] = v[6][2] = size / 2; - - for (i = 5; i >= 0; i--) { - glBegin(type); - glNormal3fv(&n[i][0]); - glVertex3fv(&v[faces[i][0]][0]); - glVertex3fv(&v[faces[i][1]][0]); - glVertex3fv(&v[faces[i][2]][0]); - glVertex3fv(&v[faces[i][3]][0]); - glEnd(); - } -} - -/* CENTRY */ -void APIENTRY -glutWireCube(GLdouble size) -{ - drawBox(size, GL_LINE_LOOP); -} - -void APIENTRY -glutSolidCube(GLdouble size) -{ - drawBox(size, GL_QUADS); -} - -/* ENDCENTRY */ - -static void -doughnut(GLfloat r, GLfloat R, GLint nsides, GLint rings) -{ - int i, j; - GLfloat theta, phi, theta1; - GLfloat cosTheta, sinTheta; - GLfloat cosTheta1, sinTheta1; - GLfloat ringDelta, sideDelta; - - ringDelta = 2.0 * M_PI / rings; - sideDelta = 2.0 * M_PI / nsides; - - theta = 0.0; - cosTheta = 1.0; - sinTheta = 0.0; - for (i = rings - 1; i >= 0; i--) { - theta1 = theta + ringDelta; - cosTheta1 = cos(theta1); - sinTheta1 = sin(theta1); - glBegin(GL_QUAD_STRIP); - phi = 0.0; - for (j = nsides; j >= 0; j--) { - GLfloat cosPhi, sinPhi, dist; - - phi += sideDelta; - cosPhi = cos(phi); - sinPhi = sin(phi); - dist = R + r * cosPhi; - - glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); - glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); - glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); - glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); - } - glEnd(); - theta = theta1; - cosTheta = cosTheta1; - sinTheta = sinTheta1; - } -} - -/* CENTRY */ -void APIENTRY -glutWireTorus(GLdouble innerRadius, GLdouble outerRadius, - GLint nsides, GLint rings) -{ - glPushAttrib(GL_POLYGON_BIT); - glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); - doughnut(innerRadius, outerRadius, nsides, rings); - glPopAttrib(); -} - -void APIENTRY -glutSolidTorus(GLdouble innerRadius, GLdouble outerRadius, - GLint nsides, GLint rings) -{ - doughnut(innerRadius, outerRadius, nsides, rings); -} - -/* ENDCENTRY */ - -static GLfloat dodec[20][3]; - -static void -initDodecahedron(void) -{ - GLfloat alpha, beta; - - alpha = sqrt(2.0 / (3.0 + sqrt(5.0))); - beta = 1.0 + sqrt(6.0 / (3.0 + sqrt(5.0)) - - 2.0 + 2.0 * sqrt(2.0 / (3.0 + sqrt(5.0)))); - /* *INDENT-OFF* */ - dodec[0][0] = -alpha; dodec[0][1] = 0; dodec[0][2] = beta; - dodec[1][0] = alpha; dodec[1][1] = 0; dodec[1][2] = beta; - dodec[2][0] = -1; dodec[2][1] = -1; dodec[2][2] = -1; - dodec[3][0] = -1; dodec[3][1] = -1; dodec[3][2] = 1; - dodec[4][0] = -1; dodec[4][1] = 1; dodec[4][2] = -1; - dodec[5][0] = -1; dodec[5][1] = 1; dodec[5][2] = 1; - dodec[6][0] = 1; dodec[6][1] = -1; dodec[6][2] = -1; - dodec[7][0] = 1; dodec[7][1] = -1; dodec[7][2] = 1; - dodec[8][0] = 1; dodec[8][1] = 1; dodec[8][2] = -1; - dodec[9][0] = 1; dodec[9][1] = 1; dodec[9][2] = 1; - dodec[10][0] = beta; dodec[10][1] = alpha; dodec[10][2] = 0; - dodec[11][0] = beta; dodec[11][1] = -alpha; dodec[11][2] = 0; - dodec[12][0] = -beta; dodec[12][1] = alpha; dodec[12][2] = 0; - dodec[13][0] = -beta; dodec[13][1] = -alpha; dodec[13][2] = 0; - dodec[14][0] = -alpha; dodec[14][1] = 0; dodec[14][2] = -beta; - dodec[15][0] = alpha; dodec[15][1] = 0; dodec[15][2] = -beta; - dodec[16][0] = 0; dodec[16][1] = beta; dodec[16][2] = alpha; - dodec[17][0] = 0; dodec[17][1] = beta; dodec[17][2] = -alpha; - dodec[18][0] = 0; dodec[18][1] = -beta; dodec[18][2] = alpha; - dodec[19][0] = 0; dodec[19][1] = -beta; dodec[19][2] = -alpha; - /* *INDENT-ON* */ - -} - -#define DIFF3(_a,_b,_c) { \ - (_c)[0] = (_a)[0] - (_b)[0]; \ - (_c)[1] = (_a)[1] - (_b)[1]; \ - (_c)[2] = (_a)[2] - (_b)[2]; \ -} - -static void -crossprod(GLfloat v1[3], GLfloat v2[3], GLfloat prod[3]) -{ - GLfloat p[3]; /* in case prod == v1 or v2 */ - - p[0] = v1[1] * v2[2] - v2[1] * v1[2]; - p[1] = v1[2] * v2[0] - v2[2] * v1[0]; - p[2] = v1[0] * v2[1] - v2[0] * v1[1]; - prod[0] = p[0]; - prod[1] = p[1]; - prod[2] = p[2]; -} - -static void -normalize(GLfloat v[3]) -{ - GLfloat d; - - d = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); - if (d == 0.0) { -/* __glutWarning("normalize: zero length vector"); */ - v[0] = d = 1.0; - } - d = 1 / d; - v[0] *= d; - v[1] *= d; - v[2] *= d; -} - -static void -pentagon(int a, int b, int c, int d, int e, GLenum shadeType) -{ - GLfloat n0[3], d1[3], d2[3]; - - DIFF3(dodec[a], dodec[b], d1); - DIFF3(dodec[b], dodec[c], d2); - crossprod(d1, d2, n0); - normalize(n0); - - glBegin(shadeType); - glNormal3fv(n0); - glVertex3fv(&dodec[a][0]); - glVertex3fv(&dodec[b][0]); - glVertex3fv(&dodec[c][0]); - glVertex3fv(&dodec[d][0]); - glVertex3fv(&dodec[e][0]); - glEnd(); -} - -static void -dodecahedron(GLenum type) -{ - static int inited = 0; - - if (inited == 0) { - inited = 1; - initDodecahedron(); - } - pentagon(0, 1, 9, 16, 5, type); - pentagon(1, 0, 3, 18, 7, type); - pentagon(1, 7, 11, 10, 9, type); - pentagon(11, 7, 18, 19, 6, type); - pentagon(8, 17, 16, 9, 10, type); - pentagon(2, 14, 15, 6, 19, type); - pentagon(2, 13, 12, 4, 14, type); - pentagon(2, 19, 18, 3, 13, type); - pentagon(3, 0, 5, 12, 13, type); - pentagon(6, 15, 8, 10, 11, type); - pentagon(4, 17, 8, 15, 14, type); - pentagon(4, 12, 5, 16, 17, type); -} - -/* CENTRY */ -void APIENTRY -glutWireDodecahedron(void) -{ - dodecahedron(GL_LINE_LOOP); -} - -void APIENTRY -glutSolidDodecahedron(void) -{ - dodecahedron(GL_TRIANGLE_FAN); -} - -/* ENDCENTRY */ - -static void -recorditem(GLfloat * n1, GLfloat * n2, GLfloat * n3, - GLenum shadeType) -{ - GLfloat q0[3], q1[3]; - - DIFF3(n1, n2, q0); - DIFF3(n2, n3, q1); - crossprod(q0, q1, q1); - normalize(q1); - - glBegin(shadeType); - glNormal3fv(q1); - glVertex3fv(n1); - glVertex3fv(n2); - glVertex3fv(n3); - glEnd(); -} - -static void -subdivide(GLfloat * v0, GLfloat * v1, GLfloat * v2, - GLenum shadeType) -{ - int depth; - GLfloat w0[3], w1[3], w2[3]; - GLfloat l; - int i, j, k, n; - - depth = 1; - for (i = 0; i < depth; i++) { - for (j = 0; i + j < depth; j++) { - k = depth - i - j; - for (n = 0; n < 3; n++) { - w0[n] = (i * v0[n] + j * v1[n] + k * v2[n]) / depth; - w1[n] = ((i + 1) * v0[n] + j * v1[n] + (k - 1) * v2[n]) - / depth; - w2[n] = (i * v0[n] + (j + 1) * v1[n] + (k - 1) * v2[n]) - / depth; - } - l = sqrt(w0[0] * w0[0] + w0[1] * w0[1] + w0[2] * w0[2]); - w0[0] /= l; - w0[1] /= l; - w0[2] /= l; - l = sqrt(w1[0] * w1[0] + w1[1] * w1[1] + w1[2] * w1[2]); - w1[0] /= l; - w1[1] /= l; - w1[2] /= l; - l = sqrt(w2[0] * w2[0] + w2[1] * w2[1] + w2[2] * w2[2]); - w2[0] /= l; - w2[1] /= l; - w2[2] /= l; - recorditem(w1, w0, w2, shadeType); - } - } -} - -static void -drawtriangle(int i, GLfloat data[][3], int ndx[][3], - GLenum shadeType) -{ - GLfloat *x0, *x1, *x2; - - x0 = data[ndx[i][0]]; - x1 = data[ndx[i][1]]; - x2 = data[ndx[i][2]]; - subdivide(x0, x1, x2, shadeType); -} - -/* octahedron data: The octahedron produced is centered at the - origin and has radius 1.0 */ -static GLfloat odata[6][3] = -{ - {1.0, 0.0, 0.0}, - {-1.0, 0.0, 0.0}, - {0.0, 1.0, 0.0}, - {0.0, -1.0, 0.0}, - {0.0, 0.0, 1.0}, - {0.0, 0.0, -1.0} -}; - -static int ondex[8][3] = -{ - {0, 4, 2}, - {1, 2, 4}, - {0, 3, 4}, - {1, 4, 3}, - {0, 2, 5}, - {1, 5, 2}, - {0, 5, 3}, - {1, 3, 5} -}; - -static void -octahedron(GLenum shadeType) -{ - int i; - - for (i = 7; i >= 0; i--) { - drawtriangle(i, odata, ondex, shadeType); - } -} - -/* CENTRY */ -void APIENTRY -glutWireOctahedron(void) -{ - octahedron(GL_LINE_LOOP); -} - -void APIENTRY -glutSolidOctahedron(void) -{ - octahedron(GL_TRIANGLES); -} - -/* ENDCENTRY */ - -/* icosahedron data: These numbers are rigged to make an - icosahedron of radius 1.0 */ - -#define X .525731112119133606 -#define Z .850650808352039932 - -static GLfloat idata[12][3] = -{ - {-X, 0, Z}, - {X, 0, Z}, - {-X, 0, -Z}, - {X, 0, -Z}, - {0, Z, X}, - {0, Z, -X}, - {0, -Z, X}, - {0, -Z, -X}, - {Z, X, 0}, - {-Z, X, 0}, - {Z, -X, 0}, - {-Z, -X, 0} -}; - -static int index[20][3] = -{ - {0, 4, 1}, - {0, 9, 4}, - {9, 5, 4}, - {4, 5, 8}, - {4, 8, 1}, - {8, 10, 1}, - {8, 3, 10}, - {5, 3, 8}, - {5, 2, 3}, - {2, 7, 3}, - {7, 10, 3}, - {7, 6, 10}, - {7, 11, 6}, - {11, 0, 6}, - {0, 1, 6}, - {6, 1, 10}, - {9, 0, 11}, - {9, 11, 2}, - {9, 2, 5}, - {7, 2, 11}, -}; - -static void -icosahedron(GLenum shadeType) -{ - int i; - - for (i = 19; i >= 0; i--) { - drawtriangle(i, idata, index, shadeType); - } -} - -/* CENTRY */ -void APIENTRY -glutWireIcosahedron(void) -{ - icosahedron(GL_LINE_LOOP); -} - -void APIENTRY -glutSolidIcosahedron(void) -{ - icosahedron(GL_TRIANGLES); -} - -/* ENDCENTRY */ - -/* tetrahedron data: */ - -#define T 1.73205080756887729 - -static GLfloat tdata[4][3] = -{ - {T, T, T}, - {T, -T, -T}, - {-T, T, -T}, - {-T, -T, T} -}; - -static int tndex[4][3] = -{ - {0, 1, 3}, - {2, 1, 0}, - {3, 2, 0}, - {1, 2, 3} -}; - -static void -tetrahedron(GLenum shadeType) -{ - int i; - - for (i = 3; i >= 0; i--) - drawtriangle(i, tdata, tndex, shadeType); -} - -/* CENTRY */ -void APIENTRY -glutWireTetrahedron(void) -{ - tetrahedron(GL_LINE_LOOP); -} - -void APIENTRY -glutSolidTetrahedron(void) -{ - tetrahedron(GL_TRIANGLES); -} - -/* ENDCENTRY */ |