Irrlicht Engine

Hello,

I'm not sure, if this is the right board for my question (@admins: please move it, just in case :) ).

I want to do a seamless flight from a great height (about 100km, 62mi) to the surface of a planet.

At the start position, I have the planet and the surrounding space as a skybox. A the end ...

Maybe you are right. :?
But in my game, it takes about 30ms to draw a complex scene and only 5ms to calculate the collsions, AI, scripts and so on (one one CPU core!). So I have plenty of CPU power but none of GFX power. So, I try to get as much as possible done on the CPU... :)

Note, I have two ...

Hello,

lately, I played a bit with particle systems (while developing SpaceCombat). I got some ideas and I post them here. Maybe something of that is useful for your projects...


Have more than one texture
First of all, I wanted more than one texture in a particle system. I achieved this by ...

Hello,

here's a new screenshot of my project "SpaceCombat".
http://spacecombatgame.sourceforge.net/

http://spacecombatgame.sourceforge.net/screenshot_may14.png
Some fighter ships attack a corvette in a asteroid field.

Effects:
- fire (particle)
- normal mapping (shader)
- glow (shader ...

Hello developers,

I have a unwanted effect with blending. Maybe you have any ideas to solve my problem.

I start with a black background and alpha 0.0 (completely transparent). Then I draw a blue rectangle with texture alpha 1.0 (opaque). Finally, I draw a half-transparent red square with texture ...

Here is the code for the CScreenQuadSceneNode. (based on some code from this forum)

Header-file

#ifndef CSCREENQUADSCENENODE_H
#define CSCREENQUADSCENENODE_H

#include <irrlicht.h>

using namespace irr;


class CScreenQuadSceneNode : public scene::ISceneNode
{
core::aabbox3df aabb; //An axis ...

Hi folks,

I've played with postprocessing shaders a bit. Now I want to share my results... :D

The first one is a full screen glow effect. There is nothing special about the shader itself. But there my approach is slightly different.
In most articles about glow/blur you should render your scene ...

And finally, I found it! :)

It did the oldest mistake, since z buffers... :roll:

The distance between near and far plane was too big. (Near=0.5, Far=15000)
I suppose, the frame buffer calculates with 32 bits and the rtt only with 24. Very interesting.

The right solution for me is a logarithmic ...

I played around a bit...

Even when I set clearzbuffers in each line, it doesn't work.

driver->beginScene(true, true, backgroundColor);
driver->clearZBuffer ();
driver->setRenderTarget(rtt, true, true, SColor(0,0,0,255));
driver->clearZBuffer ();
smgr->drawAll();
driver->clearZBuffer ...

When I have
driver->setRenderTarget(rtt, true, true, SColor(0,0,0,255));
the second 'true' is for clearing the zbuffer, right?

So, the zbuffer should be cleared, when the scene is drawn.

When I switch back to the frame buffer, I only draw the screen quad, which is not affected by the zbuffer ...

Hello,

I got a zbuffer problem with real time textures. :(

Setting:
-irrlicht 1.8
-OpenGL
-drawing objects with my own shader
-shader based on EMT_TRANSPARENT_ALPHA_CHANNEL
-set in all materials the flags for EMF_ZWRITE_ENABLE and EMF_ZBUFFER
-did a 'smgr->getParameters()->setAttribute(scene ...

This is not strictly Irrlicht-related, but it may be useful in a project, that uses Irrlicht. :)

With these classes, you can evaluate an mathematical expression like `3.4*PI/sin(4.6+min(4,2)^1.7)`. This can be useful for scripting...
The classes only works on float (f32) values. (no vectors, no ...

Assuming it's clean of bugs, with your permission tom_gamer, we could put this in irrExt (our humble repositories).
Permission given. (Keep in mind, that the code is mainly Irrlicht, that is licenced under zlib licence.)

Is there a specific reason why you named it IGUIListBox?
I replaced the ...

Shipyard near Jupiter. (smaller version)

Original file is here: http://imageshack.us/a/img850/4258/shipyard.png

SpaceCombat
http://sourceforge.net/projects/spacecombatgame/

Hi,

I had to write a little extension of the Listbox for my game. :wink:
With the code, you can make a ListBox do multiselect (select more than one item).
http://imageshack.us/a/img12/5535/listbox.png

This works only with mouse control (keyboard is not implemented for multiselect).

Here is the ...