Questions tagged [camera]
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61 questions
0 votes
0 answers
48 views
Need help with portal rendering
I've been working on this hobby game engine in C and Sokol with CGLM for a short while now, and I've ran into a bit of a snag regarding portal rendering. It works as it should when the player camera's ...
- 1
0 votes
1 answer
133 views
Create a tight frustum around a 3D model bounding volume
Tight frustum I intend to create a tight frustum around a 3D model: I have these variables: Inputs: 3D model bounding box or bounding sphere or bounding volume. To be determined: Eye distance and ...
- 133
1 vote
1 answer
507 views
Convert between screen and world coordinates in isometric 3D
I'm working on a a simple 3D scene in WebGL. The purpose is to: Implement an isometric viewing angle in orthographic 3D Translate between XY screen coordinates and XY world coordinates Codepen: ...
- 127
1 vote
1 answer
117 views
What is the name for a film overlay where there is an array of crosses?
I've seen this in a lot of animations of spaceships, as well as the intro sequence to The Expanse which I've attached a screenshot of. https://vimeo.com/734114243 is also an example. The above ...
- 33
1 vote
1 answer
622 views
Move the camera in orthographic 3D
I'm trying to figure out how to move a camera in orthographic 3D. The scene is orthographic in the sense that an object looks the same regardless of position. The only thing that may affect the size ...
- 127
1 vote
1 answer
100 views
Unknown array of floating point numbers. View matrix?
I want to control the camera in an old game using head tracking (TrackIR, opentrack, etc.), such control was not provided by the game engine. I'm trying to find the camera coordinates and rotation ...
- 13
1 vote
0 answers
134 views
Mapping a box to an inverse frustum
I have a non AA, non cubic, box living happily in 3D. I have a frustum defined by 2 squares. one square is the square defined by [-1, 1]^2 and the other square can have any size, there is also a ...
- 1,891
0 votes
1 answer
165 views
OpenGL - How to increase view space coordinate range in X and Y axis
I'm trying to render some objects but apparently X and Y coordinates need to be really small in-order to get something on screen. See this example of 2 lines The world space coordinates for these ...
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