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Term in computer science
Collision detection is the computational problem of detecting an intersection of two or more objects in virtual space. More precisely, it deals with the
Collision_detection
Media access control method used most notably in early Ethernet
Carrier-sense multiple access with collision detection (CSMA/CD) is a medium access control (MAC) method used most notably in early Ethernet technology
Carrier-sense multiple access with collision detection
Carrier-sense_multiple_access_with_collision_detection
Method of spatial measurement using laser
Lidar (/ˈlaɪdɑːr/, an acronym of light detection and ranging or laser imaging, detection, and ranging, often stylized LiDAR) is a method for determining
Lidar
Design guideline for Ethernet
media for transmitting and receiving, simplifying collision detection. This rule divides a collision domain into two types of physical segments: mixing
5-4-3_rule
Computer graphics simulation of deformable objects
detect collisions (or detection of spurious collisions) if objects move fast enough. Real-time systems generally have to use discrete collision detection, with
Soft-body_dynamics
Software for approximate simulation of physical systems
typically classical dynamics, including rigid body dynamics (including collision detection), soft body dynamics, and fluid dynamics. It is of use in the domains
Physics_engine
On the existence of hyperplanes separating disjoint convex sets
finitely many linear inequalities. More results may be found. In collision detection, the hyperplane separation theorem is usually used in the following
Hyperplane_separation_theorem
Method to avoid network resource contention
timeslots, carrier-detection schemes, randomized access times, and exponential backoff after collision detection. In addition to the collision-avoidance methods
Collision avoidance (networking)
Collision_avoidance_(networking)
System allowing transmitters to take turns on a shared media
Variations on basic CSMA include addition of collision-avoidance (CSMA/CA), collision-detection (CSMA/CD) and collision-resolution techniques. Variations of CSMA
Carrier-sense_multiple_access
Channel access method
One method to handle collisions in a contention based system is to optimize collision detection and subsequent recovery. A collision can be detected by
Contention (telecommunications)
Contention_(telecommunications)
Computer networking technology
Sense with Multiple Access and Collision Detection from ALOHANet became Carrier-Sense Multiple Access/Collision Detection, or CSMA/CD. In 1975, Metcalfe
Ethernet
In physics, two bodies contacting each other
Collision detection Contact mechanics Elastic collision Friction Impact crater Impact event Inelastic collision Kinetic theory of gases - collisions between
Collision
Computer network multiple access method
primarily used in wireless networks, where the alternative with collision detection CSMA/CD is not possible due to wireless transmitters that cannot
Carrier-sense multiple access with collision avoidance
Carrier-sense_multiple_access_with_collision_avoidance
Graphics structure
efficiently, such as in collision detection and ray tracing. Although wrapping objects in bounding volumes and performing collision tests on them before
Bounding_volume_hierarchy
Motorcar safety system
through a location database. Pedestrian detection can also be a feature of these types of systems. Collision avoidance systems range from widespread systems
Collision_avoidance_system
Sums vector sets A and B by adding each vector in A to each vector in B
differences, are often used alongside GJK algorithms to compute collision detection for convex hulls in physics engines. For two convex polygons P and
Minkowski_addition
Algorithm
phase algorithm used during collision detection to limit the number of pairs of solids that need to be checked for collision, i.e. intersection. This is
Sweep_and_prune
2002 action video game
difficult due to an overabundance of enemies and obstacles and poor collision detection in regard to xXx's punches and kicks. Kato dismissed the levels as
XXX_(video_game)
Early 10 Mbit/s Ethernet standards
back-to-back transport between repeater hubs to decrease latency and collision detection time, thus increasing the possible network radius. It was replaced
List of early Ethernet standards
List_of_early_Ethernet_standards
Video game series
only had to perform collision detection with environmental features every few seconds rather than every cycle. Collision detection was also sped up by
Serious_Sam
Carrier-sense multiple access with collision detection, (CSMA/CD) used with Ethernet Late collision, a specific type of collision that should not occur on properly
Collision (telecommunications)
Collision_(telecommunications)
Collection of standards for wired Ethernet
medium access control method using carrier-sense multiple access with collision detection (CSMA/CD). The IEEE 802 Local and Metropolitan Area Networks Committee
IEEE_802.3
2012 video game
environments had proper collision detection; while most games had multiple inaccessible areas which lacked collision detection, the gravity mechanic meant
Gravity_Rush
Method of determining minimum distance between two convex sets
the algorithm will converge in one or two iterations. This yields collision detection systems which operate in near-constant time. The algorithm's stability
Gilbert–Johnson–Keerthi distance algorithm
Gilbert–Johnson–Keerthi_distance_algorithm
Set of polygons to define the surface of a 3D model
smoothing, and simplification. Algorithms also exist for ray tracing, collision detection, and rigid-body dynamics with polygon meshes. If the mesh's edges
Polygon_mesh
OSI model layer for physical data transmission
may use carrier sense and collision detection, such as in Ethernet's Carrier-sense multiple access with collision detection (CSMA/CD). To optimize reliability
Physical_layer
Concept in distributed computing
range from a constant (expected with collision detection) to O(n log n) rounds (deterministic and no collision detection). In multi-hop networks, known runtimes
Leader_election
Dutch artist (born 1948)
creations are reported to incorporate primitive logic gates for collision detection with obstacles such as the sea. Jansen was born in Scheveningen in
Theo_Jansen
Sixth generation of Volkswagen Polo
Cockpit, a first in its class. As standard, the car comes with front collision detection, blind-spot assist, and emergency stopping. The car is said to be
Volkswagen_Polo_Mk6
Method for recursively subdividing a space into two subsets using hyperplanes
geometrical operations with shapes (constructive solid geometry) in CAD, collision detection in robotics and 3D video games, ray tracing, virtual landscape simulation
Binary_space_partitioning
3D computer graphics software
Blender has simulation tools for soft-body dynamics, including mesh collision detection, LBM fluid dynamics, smoke simulation, Bullet rigid-body dynamics
Blender_(software)
Australian animated web series
During a chase, Pomni and the bandit Gummigoo are ejected by a collision detection glitch into the map's out-of-bounds asset storage. Gummigoo sees
The_Amazing_Digital_Circus
American computer scientist
She joined the UNC faculty in 1997. Lin is known for her work on collision detection, and in particular for the Lin–Canny algorithm for maintaining the
Ming_C._Lin
Device for interconnecting Ethernet devices
repeater hub also participates in collision detection, forwarding a jam signal to all ports if it detects a collision. In addition to standard 8P8C ("RJ45")
Ethernet_hub
Discontinued game engine
programming. Collision detection and dynamics simulation now support Bullet Physics Library. Bullet is an open-source collision detection and rigid body
Blender_Game_Engine
Rangefinder and collision detection system
The M734 multi-option fuze is a rangefinder and collision detection system used on 60 mm, 81 mm, and 120 mm mortar shells as a trigger to detonate the
M734_fuze
1998 video game
critics felt the graphics were among the best on the Saturn, but the collision detection and glitches were criticised. Burning Rangers was among the final
Burning_Rangers
Video game middleware
complex physical interactions for the era. Its architecture included: Collision Detection: A multi-phase system that optimized performance by utilizing bounding
Havok_(software)
Process in computer graphics programming
pointer-events (e.g. user-initiated cursor movement or object selection). Collision detection is a related concept for detecting intersections of two or more different
Hit-testing
American computer programmer and game developer
where he rewrote the movement system (in particular, working on collision detection systems) and helped to extend the world editor. He documented his
Casey_Muratori
Two-dimensional physics simulator engine
March 6, 2008, version 2.0 was launched, introducing continuous collision detection and revamping the API. On July 27, 2020, version 2.4 was launched
Box2D
Channel access method
access with collision detection (CSMA/CD) channel access method used in Ethernet networks, but CSMA/CARP provides no detection of network collisions. Instead
Carrier-sense multiple access with collision avoidance and resolution using priorities
Carrier-sense_multiple_access_with_collision_avoidance_and_resolution_using_priorities
Computational problem
forward kinematics determine the position of the robot's geometry, and collision detection tests if the robot's geometry collides with the environment's geometry
Motion_planning
Open-source physics engine
Bullet is a physics engine which simulates collision detection as well as soft and rigid body dynamics. It has been used in video games and for visual
Bullet_(software)
1997 video game
game overly short and boringly easy, as well as complaining of ropy collision detection and cheap deaths resulting from what should be simple jumps. However
Castlevania_Legends
Computer graphics technique
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
Physically_based_rendering
2021 video game
Sam & Max titles. Reviewers noted how the game suffers from poor collision detection, aiming is glitchy and item manipulation is "a nuisance". Other reviewers
Sam & Max: This Time It's Virtual!
Sam_&_Max:_This_Time_It's_Virtual!
Network segment where collisions between simultaneous transmissions are possible
collisions are resolved using carrier-sense multiple access with collision detection (CSMA/CD) in which the competing packets are discarded and re-sent
Collision_domain
Electronic game with user interface and visual feedback
the controller or the game platform, such as touchscreens and motion detection sensors that give more options for how the player interacts with the game
Video_game
3D computer graphics rendering method
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
Ray_marching
Canadian science and technology journalist
the World. New York: Penguin. ISBN 978-0735220560. "collision detection: Jon 2.0". Collision Detection. February 2, 2004. Retrieved March 31, 2025. "Bio"
Clive_Thompson_(journalist)
Serial bus connecting MAC devices with the Ethernet physical layer
registers. IEEE 802.3 Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method and Physical Layer specification. IEEE. doi:10
Management_Data_Input/Output
Full-size luxury crossover SUV
driver assistance systems including autonomous cruise control and collision detection with braking intervention. Other options include cooled and heated
BMW_X7
Devices that mediate data transmission in a computer network
single collision domain. Repeater hubs also participate in collision detection, forwarding a jam signal to all ports if they detect a collision. Hubs are
Networking_hardware
Software game engine
Panda3D is a game engine that includes graphics, audio, I/O, collision detection, and other abilities relevant to the creation of 3D games. Panda3D is
Panda3D
Game engine
software and was incredibly enlightening." Among its features were collision detection, colored lighting, and a limited form of texture filtering. It also
Unreal_Engine_1
2001 video game
reused too often. They also criticized the combat system for its poor collision detection. Overall, the game was noted as "painfully bland". IGN said that
Croc_2_(2001_video_game)
2000 video game
over". Anthony Chau criticized the Dreamcast version for "horrible collision detection, tedious fighting sequences, and an overall gameplay experience that
Disney's Dinosaur (video game)
Disney's_Dinosaur_(video_game)
Rate-seeking algorithm
carrier-sense multiple access with collision avoidance (CSMA/CA) and carrier-sense multiple access with collision detection (CSMA/CD) networks, where this
Exponential_backoff
1994 video game
16 reviews. Reviews widely criticized the jerky frame rate, poor collision detection, and music, which they said to be both stylistically inappropriate
Cruis'n_USA
Animal mortality in traffic
wildlife–vehicle collision is a traffic collision with an animal; if the animal dies, its corpse is referred to as roadkill. Wildlife-vehicle collisions (WVC) have
Wildlife–vehicle_collision
2006 video game
blocky graphics, marginal game mechanics, and various clipping and collision detection bugs. The voice acting contributed by Sopranos cast members received
The_Sopranos:_Road_to_Respect
2003 video game
the opponent and all objects placed on the route due to a lack of collision detection. Off-roading bears no traction penalty, hills can be ascended and
Big Rigs: Over the Road Racing
Big_Rigs:_Over_the_Road_Racing
Machine learning model
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
Text-to-image_model
OSI model layer for node-to-node data transfer
protocols for collision detection and re-transmission in Ethernet bus networks and hub networks, or the CSMA/CA protocol for collision avoidance in wireless
Data_link_layer
Condition where multiple devices on a computer bus attempt to use it at the same time
protocol (such as Multiple Access with Collision Avoidance, carrier-sense multiple access with collision detection, or automatic repeat request) to minimize
Bus_contention
Ethernet standards that carry data at the nominal rate of 100 Mbit/s
solve two problems. The first was that it eliminated the need for collision detection and thereby reduced contention on busy networks. While any particular
Fast_Ethernet
Form of data structure
for numerous tasks – including efficient culling and speeding up collision detection between objects. A BVH is a spatial structure, but doesn't have to
Scene_graph
Technique for increasing apparent display resolution
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
Subpixel_rendering
Computer programming language
that allow the use of concurrency and multiple turtles, support collision detection and allow the user to redefine the appearance of the turtle cursor
Logo_(programming_language)
American space technology company
"LeoLabs raises $65M Series B for its satellite monitoring and collision detection service". "LeoLabs Raises $29M in Funding". February 15, 2024. "LeoLabs
LeoLabs
Graph data structure for pathfinding
A*. Agents on a navmesh can thus avoid computationally expensive collision detection checks with obstacles that are part of the environment. Representing
Navigation_mesh
algorithms, which means there is no environment specification, no collision detection or visualization. This is intentional as the library is designed
OMPL
1998 video game
frustrating and inconsistent, and Bartholow noted it caused problems with collision detection. Edge complained the camera sometimes goes behind walls. McNamara
Sonic_Adventure
2000 video game
latched onto enemies very easily or got significantly off-target. The collision detection was widely panned. According to some critics, the PS2 version's two-player
Army_Men:_Sarge's_Heroes_2
Simulated physics in video games
is used to simulate Newtonian physics within the environment, and collision detection, used to solve the problem of determining when any two or more physical
Game_physics
Closed volume that completely contains the union of a set of objects
list of objects that must be 'displayed' (rendered; rasterized). In collision detection, when two bounding volumes do not intersect, the contained objects
Bounding_volume
Vehicle network technology
initiated by the primary node it is not necessary to implement a collision detection. The primary and secondary nodes are typically microcontrollers,
Local_Interconnect_Network
Common point(s) shared by two lines in Euclidean geometry
have uses, for example, in computer graphics, motion planning, and collision detection. In a Euclidean space, if two lines are not coplanar, they have no
Line–line_intersection
OMPL), synthetic vision and imaging processing (e.g. via OpenCV), collision detection, minimum distance calculation, custom graphical user interfaces and
CoppeliaSim
1991 video game
interest. [...] the appeal starts to flag after a few minutes. The collision detection is annoying as well, tending to give baddies the benefit of the doubt
Joe_&_Mac
Geometric transformation that preserves lines but not angles nor the origin
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
Affine_transformation
Third generation of BMW 1 Series
feature sport seats and M exterior styling. European models feature collision detection and lane departure warning with intervention as standard. The F40
BMW_1_Series_(F40)
Smallest addressable element of a raster image
published 1916-03-14 Robert L. Lillestrand (1972). "Techniques for Change Detection". IEEE Trans. Comput. C-21 (7). Lewis, Peter H. (12 February 1989). "Compaq
Pixel
2010 video game
said that he feels "victimised by the game's criminally unforgiving collision detection and over-enthusiastically sensitive controls" but that "it's all
VVVVVV
Description of radar types, purposes and specifications
seeing aids for the visually impaired, as well as early warning collision detection and situational awareness. Radar engineering details Automatic Radar
List_of_radar_types
2D bitmap displayed over a larger scene
texels on line Texture width Texture height Colors Zoom Rotation Collision detection Transparency Ref. Amstrad Plus ASIC 1990 16 16 ? 16 16 15 2, 4× vertical
Sprite_(computer_graphics)
Graphics that use a three-dimensional representation of geometric data
model Concepts Affine transformation Back-face culling Clipping Collision detection Planar projection Reflection Rendering Beam tracing Cone tracing
3D_computer_graphics
Mythological dwarf people in Hawaiian tradition
modern Ethernet was based on the carrier-sense multiple access with collision detection (CSMA/CD) methodology pioneered by ALOHA. The Menehune is the school
Menehune
Framework for developing 3D applications written in C++
(SCF). Crystal Space has modules for 2D and 3D graphics, sound, collision detection and physics through ODE and Bullet. Graphics: OpenGL rendering Supports
Crystal_Space
Rigs was released in a pre-alpha state, and it lacks any type of collision detection, allowing players to drive through other vehicles and obstacles,
List of video games notable for negative reception
List_of_video_games_notable_for_negative_reception
Sub-field of computer graphics
processing such as collision detection, speed-up techniques, animation and force feedback, in addition to handling user input. Collision detection is an example
Real-time_computer_graphics
Interpreted programming language
when a sprite is drawn and set to 0 otherwise. This is used for collision detection. As previously described, a beeping sound is played when the value
CHIP-8
Shape with three sides
Press. ISBN 978-0-691-14553-2. Ericson, Christer (2005). Real-Time Collision Detection. CRC Press. ISBN 978-1-55860-732-3. Guillermo, Artemio R. (2012)
Triangle
Grand tourer
helps monitor the vehicle’s surroundings, and notifies the owner of collision detection via the Mercedes me app. The Cabriolet model additionally features
Mercedes-Benz_CLE
Character controlled by a game player
Character class Mechanics Achievement Adaptive music Attract Mode Collision detection Hitbox Combo Cover system Critical hit Cross-play Cutscene Debug
Player_character
IBM PC's first LAN system
used a data rate of 2 Mbit/s and carrier-sense multiple access with collision detection. NetBIOS was developed by Sytek Inc as an API for software communication
IBM_PC_Network
Python module for writing video games
the game. Other features that SDL does have include vector math, collision detection, 2D sprite scene graph management, MIDI support, camera, pixel-array
Pygame
Type of program in computer graphics
variety of two-dimensional postprocessing effects such as blur, or edge detection/enhancement for cartoon/cel shaders. Pixel shaders may also be applied
Shader
1993 video game
remake features enhancements such as widescreen graphics, fine-tuned collision detection to make time traveling more consistent, refined visuals and frame
Sonic_CD
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