At Mälardalen University in Sweden, researchers have now found a solution to a problem that often arises when new computer games are constructed, namely how you can efficiently make sure that the animated figures don't run right through each other.
Researcher Thomas Larsson is presenting a new model that enables complex figures to collide with each other in a credible way - preferably with sound effects, deformations, and other consequences, just as in reality.
In his dissertation he presents faster methods for discovering collisions in interactive simulations with computer graphics. The methods function both with rigid bodies and various types of deformable bodies. Besides computer games, simulations in robotics, virtual surgery, and visualization are suitable applications for the methods.
"Today regular computers can draw realistic images of complex 3D environments in the blink of an eye. This is thoroughly exploited in modern computer games, for example. The images are therefore better and better in quality, so people even use terms like photographic realism. These images are generated by a powerful graphics board in the computer, which draws millions of tiny surfaces, usually triangles, in a few milliseconds."
"But it's not enough simply to draw the images. To animate or simulate objects that move or fly around on the screen, the objects need to be able to react to collisions. In many cases the collision calculations, just like the image generation itself, have to be done in a few milliseconds, otherwise the interactivity and the experience are ruined."
All this is self-evident in the real world where objects follow the rules of physics governing movement and collisions. But in a computer simulation objects go right through each other as if they had never collided, unless special measures are taken. These measures require methods that use calculations to discover that objects are actually colliding with each other and then take suitable measures. In some cases it is sufficient to have the objects change direction by bouncing off each other. In other cases they may need to be dented (deformed), break into pieces, or even explode. Future versions of "Super Mario" will require superfast collision calculations in order to stimulate and visualize characters' movements and interaction with their surroundings in a realistic manner.
Contact information for Thomas Larsson phone +46-21 10 15 14 or email:email@example.com
Pressofficer Peter Mannerfelt: +46-705 353 432 or firstname.lastname@example.org
Thomas Larsson will publicly defend his dissertation Adaptive Bounding Volume Hierarchies for Efficient Collision Queries March 5.
Thomas Larsson is an assistant professor of computer science at Mälardalen University, where one of his duties is to teach on the Computer Science Program Specializing in Game Development.
Ultra-precise chip-scale sensor detects unprecedentedly small changes at the nanoscale
18.01.2017 | The Hebrew University of Jerusalem
Data analysis optimizes cyber-physical systems in telecommunications and building automation
18.01.2017 | Fraunhofer-Institut für Algorithmen und Wissenschaftliches Rechnen SCAI
For the first time ever, a cloud of ultra-cold atoms has been successfully created in space on board of a sounding rocket. The MAIUS mission demonstrates that quantum optical sensors can be operated even in harsh environments like space – a prerequi-site for finding answers to the most challenging questions of fundamental physics and an important innovation driver for everyday applications.
According to Albert Einstein's Equivalence Principle, all bodies are accelerated at the same rate by the Earth's gravity, regardless of their properties. This...
An important step towards a completely new experimental access to quantum physics has been made at University of Konstanz. The team of scientists headed by...
Yersiniae cause severe intestinal infections. Studies using Yersinia pseudotuberculosis as a model organism aim to elucidate the infection mechanisms of these...
Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...
Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales
Studying properties of fundamental particles in condensed matter systems is a promising approach to quantum field theory. Quasiparticles offer the opportunity...
19.01.2017 | Event News
10.01.2017 | Event News
09.01.2017 | Event News
23.01.2017 | Process Engineering
23.01.2017 | Physics and Astronomy
23.01.2017 | Life Sciences