From 482f37cd2811b91b2892a8f001f5be8f8caec204 Mon Sep 17 00:00:00 2001
From: Wolfgang Draxinger <Wolfgang.Draxinger@physik.uni-muenchen.de>
Date: Thu, 30 Jan 2014 14:57:02 +0100
Subject: added pocketwatch

---
 samples/OpenGL/pocketwatch/pocketwatch.cpp | 155 +++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 samples/OpenGL/pocketwatch/pocketwatch.cpp

(limited to 'samples/OpenGL/pocketwatch/pocketwatch.cpp')

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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