Recent changes to examples

examples modified by bubble

bubble — Sat, 03 Aug 2013 09:13:34 -0000

--- v10
+++ v11
@@ -6,7 +6,9 @@
 These can be found in the examples directory, they replace your main.cc file.

 ### 1 Drawing a cube with normal mapping that moves to the right and rotates
+
 
+
 // See main.orig.cc
 {
  double thetax = 1.2;
@@ -55,6 +57,7 @@

 }
 }
+
 

 ### 2 Drawing a plane grid in a 3D world

examples modified by bubble

bubble — Sat, 03 Aug 2013 08:17:10 -0000

--- v9
+++ v10
@@ -114,14 +114,14 @@
 ### 3 Drawing a grid which rotates

 
-See main.cc in top directory.
+        //See main.cc in top directory.

-ray3d::game::PlaneGrid planegrid(dpyb.get_display(),&w,100,100);
+        ray3d::game::PlaneGrid planegrid(dpyb.get_display(),&w,100,100);
         planegrid.depth_f(0.55,0.55);
         double perspectiveangle = PI/180*90;
         planegrid.perspective(-2,2,perspectiveangle);
         planegrid.map(&dpy,&w,"./pics/texturetest1.xpm",600,375);
-        //planegrid.depthperspective(2);
+        
         double thetax = 0.2;
         double thetay = 0.2;
         double thetaz = 0.2;
@@ -130,7 +130,7 @@
         const char *colorname = "chartreuse";
         XEvent e;

-for (int k = 0; k < 100000; k++) {
+        for (int k = 0; k < 100000; k++) {

         /* blank screen */

@@ -141,9 +141,9 @@
         planegrid.draw(dpyb.get_display(),&w, 100,100);
         planegrid.perspective(-2,2,perspectiveangle);
         planegrid.map(&dpy,&w,"./pics/texturetest1.xpm",600,375);
-        //////planegrid.rotate(engine, thetax, thetay, thetaz);
+        //planegrid.rotate(engine, thetax, thetay, thetaz);

-        //NOTE: draw() is inside eventloop processor
+        
         xmantaray.eventloop(xmantaray,&e);

         /* update movement of world */
@@ -157,13 +157,13 @@
         ts.tv_sec = 0;        /* seconds */
         ts.tv_nsec = 500000000;       /* nanoseconds */

-        //nanosleep(&ts,NULL);
+        nanosleep(&ts,NULL);
         XFlush(dpy);
   }
 }
 

-### License : GPL version 2
+### License of the code on this page : GPL version 2
 /*
  Copyright (C) Johan Ceuppens 2011-2013

examples modified by bubble

bubble — Sat, 03 Aug 2013 08:15:51 -0000

--- v8
+++ v9
@@ -113,4 +113,70 @@

 ### 3 Drawing a grid which rotates

+
 See main.cc in top directory.
+
+ray3d::game::PlaneGrid planegrid(dpyb.get_display(),&w,100,100);
+        planegrid.depth_f(0.55,0.55);
+        double perspectiveangle = PI/180*90;
+        planegrid.perspective(-2,2,perspectiveangle);
+        planegrid.map(&dpy,&w,"./pics/texturetest1.xpm",600,375);
+        //planegrid.depthperspective(2);
+        double thetax = 0.2;
+        double thetay = 0.2;
+        double thetaz = 0.2;
+
+        ray3d::Engine engine(thetax,0,0,0.9,100,10,1.2);
+        const char *colorname = "chartreuse";
+        XEvent e;
+
+for (int k = 0; k < 100000; k++) {
+
+        /* blank screen */
+
+        XFillRectangle(dpy, titlebarw, gc,0,0,800,20);
+        XFillRectangle(dpy, w, gc,0,0,800,600);
+
+        /* draw 3d world */
+        planegrid.draw(dpyb.get_display(),&w, 100,100);
+        planegrid.perspective(-2,2,perspectiveangle);
+        planegrid.map(&dpy,&w,"./pics/texturetest1.xpm",600,375);
+        //////planegrid.rotate(engine, thetax, thetay, thetaz);
+
+        //NOTE: draw() is inside eventloop processor
+        xmantaray.eventloop(xmantaray,&e);
+
+        /* update movement of world */
+
+        perspectiveangle += 0.1;
+        thetax += 0.01;
+        thetay += 0.01;
+        thetaz += 0.01;
+
+        struct timespec ts;
+        ts.tv_sec = 0;        /* seconds */
+        ts.tv_nsec = 500000000;       /* nanoseconds */
+
+        //nanosleep(&ts,NULL);
+        XFlush(dpy);
+  }
+}
+
+
+### License : GPL version 2
+/*
+ Copyright (C) Johan Ceuppens 2011-2013
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see .
+*/

examples modified by bubble

bubble — Sat, 03 Aug 2013 08:12:15 -0000

--- v7
+++ v8
@@ -15,7 +15,7 @@

 /* make cube model instance, width = 3 */

- ray3d::CubeModel pm5(dpyb.get_display(),&w,&gc,3);
+ ray3d::CubeModel cm(dpyb.get_display(),&w,&gc,3);

 /* make a matrix (e.g. for rotating) engine */

@@ -23,7 +23,7 @@

 /* fill it up with a color (given to draw_offset) */

- pm5.fill(dpyb.get_display(), &w,200,200); 
+ cm.fill(dpyb.get_display(), &w,200,200); 

 /* start a window event loop (also processes X11 events) */

@@ -33,15 +33,15 @@

 /* rotate cube with angles */

-     pm5.rotate(engine, thetax, thetay, thetaz); 
+     cm.rotate(engine, thetax, thetay, thetaz); 

 /* draw it at x == 200 , y == 200 pixels in the orange red color */

-     pm5.draw_offset(dpyb.get_display(), &w,200,200,200,const_cast("orange red"));
+     cm.draw_offset(dpyb.get_display(), &w,200,200,200,const_cast("orange red"));

 /* translate to z == -60 */

-     pm5.translate(engine, 0, 0, -60);
+     cm.translate(engine, 0, 0, -60);

 /* process window management e.g. moving via the titlebar */

examples modified by bubble

bubble — Sat, 03 Aug 2013 07:00:14 -0000

Hacks modified by bubble

bubble — Sat, 03 Aug 2013 01:02:53 -0000

--- v5
+++ v6
@@ -1,5 +1,9 @@
 Examples 
 ----------
+
+### 0 Introduction
+
+These can be found in the examples directory, they replace your main.cc file.

 ### 1 Drawing a cube with normal mapping that moves to the right and rotates

Hacks modified by bubble

bubble — Sat, 03 Aug 2013 01:01:52 -0000

--- v4
+++ v5
@@ -55,6 +55,58 @@

 ### 2 Drawing a plane grid in a 3D world

+// See main.planegrid.cc
+{
+ double thetax = 1.2;
+ double thetay = 1.2;
+ double thetaz = 1.2;
+
+/* make planegrid model */
+
+ ray3d::game::PlaneGrid planegrid(dpyb.get_display(),&w,100,100);
+
+/* make a matrix (e.g. for rotating) engine */
+ 
+  ray3d::Engine engine(thetax,0,0,0.9,100,10,1.2); 
+
+/* give the plane a depth perspective, 2 far points and 2 near points */
+
+ planegrid.depth_f(0.55,0.55);
+
+/* put the planegrid further away in the 3D world */
+
+ planegrid.perspective(-20,20,PI/180*270);
+
+/* start a window event loop (also processes X11 events) */
+
+XEvent e;
+
+ for (;;) { 
+     
+/* rotate cube with angles */
+
+     
+    planegrid.rotate(engine, thetax, thetay, thetaz); 
+
+/* draw it */
+
+     planegrid.draw(dpyb.get_display(),&w, 100,100);
+
+
+/* process window management e.g. moving via the titlebar */
+
+     xmantaray.eventloop(xmantaray,&e);
+
+/* update rotating angles in radians */
+
+    thetax += 0.1;
+    thetay += 0.1;
+    thetaz += 0.1;
+
+}
+}
+
+
 ### 3 Drawing a grid which rotates

 See main.cc in top directory.

Hacks modified by bubble

bubble — Sat, 03 Aug 2013 00:56:31 -0000

--- v3
+++ v4
@@ -53,7 +53,8 @@
 }
 

+### 2 Drawing a plane grid in a 3D world

-### 2 Drawing a grid which rotates
+### 3 Drawing a grid which rotates

 See main.cc in top directory.

Hacks modified by bubble

bubble — Fri, 02 Aug 2013 17:23:31 -0000

--- v2
+++ v3
@@ -52,3 +52,8 @@
 }
 }
 
+
+
+### 2 Drawing a grid which rotates
+
+See main.cc in top directory.

Hacks modified by bubble

bubble — Fri, 02 Aug 2013 17:21:54 -0000

--- v1
+++ v2
@@ -4,20 +4,51 @@
 ### 1 Drawing a cube with normal mapping that moves to the right and rotates
 
 // See main.orig.cc
-
+{
  double thetax = 1.2;
  double thetay = 1.2;
  double thetaz = 1.2;

- for (;;) {
-     ray3d::CubeModel pm5(dpyb.get_display(),&w,&gc,3);
-     pm5.fill(dpyb.get_display(), &w,200,200);
-     pm5.rotate(engine, thetax, thetay, thetaz);
-     pm5.draw_offset(dpyb.get_display(), &w,200,200,200,const_cast(""));
+/* make cube model instance, width = 3 */
+
+ ray3d::CubeModel pm5(dpyb.get_display(),&w,&gc,3);
+
+/* make a matrix (e.g. for rotating) engine */
+ 
+  ray3d::Engine engine(thetax,0,0,0.9,100,10,1.2); 
+
+/* fill it up with a color (given to draw_offset) */
+
+ pm5.fill(dpyb.get_display(), &w,200,200); 
+
+/* start a window event loop (also processes X11 events) */
+
+XEvent e;
+
+ for (;;) { 
+     
+/* rotate cube with angles */
+
+     pm5.rotate(engine, thetax, thetay, thetaz); 
+
+/* draw it at x == 200 , y == 200 pixels in the orange red color */
+
+     pm5.draw_offset(dpyb.get_display(), &w,200,200,200,const_cast("orange red"));
+
+/* translate to z == -60 */
+
      pm5.translate(engine, 0, 0, -60);
-     xmantaray.eventloop(xmantaray/*,&dpy*/,&e);
+
+/* process window management e.g. moving via the titlebar */
+
+     xmantaray.eventloop(xmantaray,&e);
+
+/* update rotating angles */
+
     thetax += 0.1;
     thetay += 0.1;
     thetaz += 0.1;
+
+}
 }