3
votes
Accepted
X axis intersection with inverted Y axis coordinates
This is way too complicated.
Let's say the screen center is at (0,0), the asteroid coords are x,...
- 1,875
2
votes
How to find the mathematical relationship between 2 variables?
The same strategy I explained in this answer I showed you works here too.
Take your table of numbers and paste them into a spreadsheet. (I used Google Sheets for this example)
Select the two columns ...
- 113k
2
votes
Accepted
reposition object in circle
For circle p2 and p3 to be close enough to eachother to touch, we know that the distance between them must be ...
- 4,241
2
votes
Accepted
How to sort leaderboards, given wins and total games played?
One option is to add a constant to both values:
RankScore = (Wins + Inertia) / (Total + 2 * Inertia)
I called this constant "Inertia" because it creates ...
- 113k
2
votes
Accepted
Finding the position of a point based on a relative point inside a quad
Assuming that your quad is convex, you can solve for an interior point using a few linear interpolations (lerps) between the corner points of the quad.
To illustrate, consider finding a point (R for ...
- 8,595
1
vote
Rotate an object relative to the player to face another object
The relative distance between the shield and the player is a fixed length instead of a fixed offset. Record this fixed length and calculate the position according to the rotation.
...
- 721
1
vote
Predicting Inclines and Declines for projectiles
Thanks to @DMGregory, they guided me in the right direction and I got it done. Briefly, what I did is this:
Every time a new map is created, I also create a heightmap (a 2D array containing all ...
- 11
1
vote
Finding the position of a point based on a relative point inside a quad
Find the points on the four sides according to the proportion, and then find the intersection of the two segments.
Code:
...
- 721
1
vote
Accepted
Matrix math: How to specify camera distance so that an object with a given size is completely visible?
If your field of view is measured from the bottom of the frustum to the top, then at a distance d your frustum is h units tall, where:
...
- 113k
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