sph.rar_opengl_opengl 光照_sph opengl_sph source code_光照

#include <windows.h> #include <GL/gl.h> #include <GL/glu.h> #include <stdlib.h> #include <GL/glaux.h> GLfloat diffuseMaterial[4] = { 0.5, 0.5, 0.5, 1.0 }; /* Initialize values for material property, light source, * lighting model, and depth buffer. */ void myinit(void) { GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 }; GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 }; glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseMaterial); glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); glMaterialf(GL_FRONT, GL_SHININESS, 25.0); glLightfv(GL_LIGHT0, GL_POSITION, light_position); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glDepthFunc(GL_LESS); glEnable(GL_DEPTH_TEST); glColorMaterial(GL_FRONT, GL_DIFFUSE); glEnable(GL_COLOR_MATERIAL); } void CALLBACK changeRedDiffuse (AUX_EVENTREC *event) { diffuseMaterial[0] += 0.1f; if (diffuseMaterial[0] > 1.0f) diffuseMaterial[0] = 0.0f; glColor4fv(diffuseMaterial); } void CALLBACK changeGreenDiffuse (AUX_EVENTREC *event) { diffuseMaterial[1] += 0.1f; if (diffuseMaterial[1] > 1.0f) diffuseMaterial[1] = 0.0f; glColor4fv(diffuseMaterial); } void CALLBACK changeBlueDiffuse (AUX_EVENTREC *event) { diffuseMaterial[2] += 0.1f; if (diffuseMaterial[2] > 1.0f) diffuseMaterial[2] = 0.0f; glColor4fv(diffuseMaterial); } void CALLBACK display(void) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); auxSolidSphere(1.0); glFlush(); } void CALLBACK myReshape(int w, int h) { glViewport(0, 0, w, h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (w <= h) glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w, 1.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0); else glOrtho (-1.5*(GLfloat)w/(GLfloat)h, 1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } void main(int argc, char** argv) { auxInitDisplayMode (AUX_SINGLE | AUX_RGB | AUX_DEPTH); auxInitPosition (0, 0, 500, 500); auxInitWindow (argv[0]); myinit(); auxMouseFunc (AUX_LEFTBUTTON, AUX_MOUSEDOWN, changeRedDiffuse); auxMouseFunc (AUX_MIDDLEBUTTON, AUX_MOUSEDOWN, changeGreenDiffuse); auxMouseFunc (AUX_RIGHTBUTTON, AUX_MOUSEDOWN, changeBlueDiffuse); auxReshapeFunc (myReshape); auxMainLoop(display); }