Search found 8 matches

by jhr1021
Tue Jul 19, 2011 5:21 am
Forum: Beginners Help
Topic: Rotate a mesh to a destination
Replies: 2
Views: 220

Rotate a mesh to a destination

Hello guys, I have a problem in rotating a mesh in my program. I load a mesh and try to rotate it to a destination. vector - current position vector - destination position. I want to know how to calculate the direction(turn left or right) and the amount of rotation from current position to the desti...
by jhr1021
Wed Jan 26, 2011 3:08 am
Forum: Advanced Help
Topic: How to update the API, UpdateTrans of VCollide?
Replies: 0
Views: 374

How to update the API, UpdateTrans of VCollide?

Hello guys, I try to apply VCollide to Irrlicht now. However, I don't know how to update position and rotation of an object. This is the code that I implemented. If you have the experience on VCollide, let me how to fix in updating position and rotation of an object. ptrSceneNode = m_nodePool[nId]; ...
by jhr1021
Tue May 11, 2010 2:11 pm
Forum: Advanced Help
Topic: How to convert OpenGL code to Irrlicht?
Replies: 3
Views: 560

How to convert OpenGL code to Irrlicht?

Hi everyone, I have a problem in converting OpenGL code to Irrlicht. This code is to draw a character based on motion capture data and composed with several links such as fore arms, tights, feets, etc. However, I don't know how to convert this code to Irrlicht. If you have any idea, let me know, ple...
by jhr1021
Tue May 11, 2010 12:39 am
Forum: Advanced Help
Topic: How to make a camera to operate like google earth camera
Replies: 1
Views: 362

How to make a camera to operate like google earth camera

Hi everyone,

I want to make a camera to operate like google earth camera using irrlicht. Are there any source codes which can help me to implement the camera?

Thank you.
by jhr1021
Sat Apr 11, 2009 12:11 pm
Forum: Beginners Help
Topic: glRotate and glPushMatrix
Replies: 7
Views: 589

Absolutely, you are right.
by jhr1021
Sat Apr 11, 2009 9:54 am
Forum: Beginners Help
Topic: glRotate and glPushMatrix
Replies: 7
Views: 589

The code should be quite ok, however you're dealing with different coordinate systems here. OpenGL uses a right-handed y-up, while Irrlicht uses left-handed. This means that you have to negate one or all three coord elements of a vector. Rotations are much more involved, although using angle and ax...
by jhr1021
Sat Apr 11, 2009 7:46 am
Forum: Beginners Help
Topic: glRotate and glPushMatrix
Replies: 7
Views: 589

wuallen wrote:It is that I will ask. Opengl coordinate becomes Irrlicht coordinate, is it ask?
Yes, right!!
by jhr1021
Fri Apr 10, 2009 11:56 pm
Forum: Beginners Help
Topic: glRotate and glPushMatrix
Replies: 7
Views: 589

glRotate and glPushMatrix

Hello, I have trouble in changing OpenGL code to Irrlicht. I don't know how to change the below code to Irrlicht. Would you let me know how to convert OpenGL code to Irrlicht? for(int i = 1; i < NUM_LINKS; i++) { glPushMatrix(); glTranslatef(t[0], t[1], t[2]); glRotatef(angle, axis[0], axis[1], axis...