diff options
Diffstat (limited to 'samples/OpenGL/pocketwatch/pocketwatch.cpp')
| -rw-r--r-- | samples/OpenGL/pocketwatch/pocketwatch.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/samples/OpenGL/pocketwatch/pocketwatch.cpp b/samples/OpenGL/pocketwatch/pocketwatch.cpp new file mode 100644 index 0000000..e04ad0e --- /dev/null +++ b/samples/OpenGL/pocketwatch/pocketwatch.cpp @@ -0,0 +1,155 @@ +#include <GL/glut.h>
+#include <time.h>
+#include <memory.h>
+
+#include "uhr.h"
+
+using namespace uhr;
+
+void init();
+void reshape(int width, int height);
+void display();
+void idle();
+
+int main(int argc, char **argv)
+{
+ glutInit(&argc, argv);
+ glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE|GLUT_DEPTH);
+
+ glutCreateWindow("PocketWatch");
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutIdleFunc(idle);
+ init();
+
+ glutMainLoop();
+
+ return 0;
+};
+
+void init()
+{
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+ glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+}
+
+float light_position[]={-0.5,0.5,1,0};
+
+void reshape(int width, int height)
+{
+ glViewport(0,0,width,height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective(45, (float)width/(float)height, 1, 10);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+void draw_object(C3DObject const *obj);
+void draw_object_rot_z(C3DObject const *obj, float rot);
+
+void display()
+{
+ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
+ glLoadIdentity();
+ glTranslatef(0,0,-4);
+
+
+ glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ draw_object(&object_gehaeuse);
+ draw_object(&object_boden);
+ draw_object(&object_ziffernblatt);
+ draw_object(&object_sekziffernblatt);
+
+ time_t now=time(NULL);
+ tm tm_time=*localtime(&now);
+
+ draw_object_rot_z(&object_stundenzeiger, (tm_time.tm_min/60.0f+tm_time.tm_hour)*720.0f/24.0f);
+ draw_object_rot_z(&object_minutenzeiger, (tm_time.tm_min+tm_time.tm_sec/60.0f)*360.0f/60.0f);
+ draw_object_rot_z(&object_sekundenzeiger, tm_time.tm_sec*360.0f/60.0f);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ draw_object(&object_deckel);
+
+ glutSwapBuffers();
+}
+
+void idle()
+{
+ glutPostRedisplay();
+}
+
+void draw_object(C3DObject const *obj)
+{
+ glPushMatrix();
+ glMultMatrixf(obj->matrix);
+
+ float tmp[4];
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, obj->material);
+
+ memcpy(tmp, obj->material+4, sizeof(float)*3);
+ tmp[3]=1.0f;
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, tmp);
+
+ glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, obj->material[7]);
+
+ for(int i=0; i<4; i++)tmp[i]=obj->material[i]*obj->material[8];
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, tmp);
+
+ glBegin(GL_TRIANGLES);
+ for(int f=0; f<*obj->nFaces; f++)
+ {
+ for(int v=0; v<3; v++)
+ {
+ int i=obj->faces[f][v];
+ glNormal3fv(obj->verticies[i][1]);
+ glVertex3fv(obj->verticies[i][0]);
+ }
+ }
+ glEnd();
+
+ glPopMatrix();
+}
+
+void draw_object_rot_z(C3DObject const *obj, float rot)
+{
+ glPushMatrix();
+ glMultMatrixf(obj->matrix);
+ glRotatef(rot,0,0,-1);
+
+ float tmp[4];
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, obj->material);
+
+ memcpy(tmp, obj->material+4, sizeof(float)*3);
+ tmp[3]=1.0f;
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, tmp);
+
+ glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, obj->material[7]);
+
+ for(int i=0; i<4; i++)tmp[i]=obj->material[i]*obj->material[8];
+ glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, tmp);
+
+ glBegin(GL_TRIANGLES);
+ for(int f=0; f<*obj->nFaces; f++)
+ {
+ for(int v=0; v<3; v++)
+ {
+ int i=obj->faces[f][v];
+ glNormal3fv(obj->verticies[i][1]);
+ glVertex3fv(obj->verticies[i][0]);
+ }
+ }
+ glEnd();
+
+ glPopMatrix();
+}
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