intersects | simple collection of 2d collision | 3D Animation library
kandi X-RAY | intersects Summary
kandi X-RAY | intersects Summary
Collection of 2d collision/intersection checkers, supporting points, circles, circle circumferences (outline of circle), ellipses, lines, rectangles, and polygons (covex).
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of intersects
intersects Key Features
intersects Examples and Code Snippets
Lines of Code : 20
License : No License
Copyfunction polygonIsSimple(polygon){
var path = polygon, i;
// Check
for(i=0; i function intersectsHelper(interval, node) {
if (!node) {
return false;
}
if (intersects(node.interval, interval)) {
return true;
}
var result = false;
var temp;
['left', 'right'].forEach(function (side) {
function lineSegmentsIntersect(p1, p2, q1, q2){
var dx = p2[0] - p1[0];
var dy = p2[1] - p1[1];
var da = q2[0] - q1[0];
var db = q2[1] - q1[1];
// segments are parallel
if((da*dy - db*dx) === 0){
return false;
}
var s = (dx * (q1[1] - p1[ Community Discussions
Trending Discussions on intersects
QUESTION
Sometimes the result of a function can not be represented by a single return value. For example: A function that intersects two lines. One might want the function to return both the actual point of intersection as well as their relation to each other (that is parallel, identical, intersecting or skewed).
Let us assume this example where the point of intersection is represented by some sort of class and the lines positional relation by an integer holding a specified value for each of the 4 possibilities:
...ANSWER
Answered 2022-Feb-26 at 13:18You cannot pass a reference to a consteval function and have the function modify the target of the reference, except if you do so in inside another consteval function.
The call to a consteval function must be on its own a constant expression, assuming it is not called inside another consteval function.
However, a constant expression cannot modify an object outside of the evaluation of the constant expression itself.
In both a consteval and usual function, you can however return a std::pair or std::tuple of multiple return values and e.g. retrieve them at the call site as a structured binding.
QUESTION
Hi I am kinda new to spark and I am not sure how to approach this.
I have 2 tables (way smaller for easier explanation):
I need to join these tables by finding the closest station when the trip started in the same date and do the same when the trip ended. so at the end I have all the weather data from the station at the time the trip started and when the trip finished, and just one row for each trip with the data from the closest weather station.
i have done something similar with geopandas and udf but it was way easier because i was looking for an interception. like this:
...ANSWER
Answered 2022-Feb-23 at 12:17I changed your sample data a bit because all stations have the same coordinates:
QUESTION
Structure of my project 66% threejs model, 44% html (side control) using Bootstrap. I’m trying to make mouse picker, when pointing at an object so that it is shown on which object it is pointed. As I understand it, he sees the coordination of the mouse badly. Please help me figure out and set up the correct coordination mouse with Canvas.
Code:
...ANSWER
Answered 2022-Feb-22 at 09:34I suggest you use pointermove instead of mousemove and also use getBoundingClientRect() in your event listener:
QUESTION
I would like to find the points where a line intersects with a polygon. I obtain this polygon using a concave outline calculation from this thread.
...ANSWER
Answered 2022-Jan-31 at 16:21The intersection returns a MultilineString, which is a fancy word for list of LineStrings. We can retrieve the coordinates then from each Linestring, e.g.:
QUESTION
I have a large geodataframe (potentially millions of rows) which consists of LineString geometries. Some of these lines could intersect each other, whereas others don't intersect. I would like to remove all lines that intersect in an efficient manner. I have a solution using "apply" and a shapely function to find intersections, but it is very slow on large datasets. Any help would be much appreciated!
My solution so far with a small example geodataframe is below. This works but is slow when scaled up.
...ANSWER
Answered 2022-Jan-13 at 19:04How about a spatial join that will utilize a built-in R-tree spatial index?
QUESTION
I’m trying to set up the Conway's Game of Life using Phaser.
My question is this: how can I make a Rectangular of the Phaser.geom class contain a click event?
Class Dots:
...ANSWER
Answered 2022-Jan-01 at 08:50You are setting interactive on the graphics serveral time, it the forEach-loop. I think this can be done only once, so you are overriding it, but I'm no expert.
I would set the interactivity once, for the whole region:
QUESTION
I am working on a simple whiteboard application where the drawings are represented by quadratic Bezier curves (using the JavaScript's CanvasPath.quadraticCurveTo function). I am trying to implement functionality so that an eraser tool or a selection tool are able to determine if they are touching a drawing.
To show what I'm talking about, in the following image is a red drawing and I need to be able to determine that the black rectangles and black point overlap with the area of the drawing. For debugging purposes I have added blue circles which are control points of the curve and the green line which is the same Bezier curve but with a much smaller width.
I have included my code which generates the Bezier curve:
...ANSWER
Answered 2021-Dec-16 at 13:26Some interesting articles/posts:
How to track coordinates on the quadraticCurve
https://coderedirect.com/questions/385964/nearest-point-on-a-quadratic-bezier-curve
And if it doesn't work maybe you can take a look at this library: https://pomax.github.io/bezierjs/
As suggested by Pomax in the comments the thing you're looking for is in the library and it looks like there is a proper explanation.
There is a live demo if you want to try it: https://pomax.github.io/bezierinfo/#projections
The source code of it is here: https://pomax.github.io/bezierinfo/chapters/projections/project.js
To use it install it using the steps from GitHub: https://github.com/Pomax/bezierjs
Of course credit to Pomax for suggesting his library
QUESTION
I have a custom UICollectionViewFlowLayout that centers each cell. To do this, I overrode targetContentOffset, which the collection view calls whenever the user lifts up their finger. However, once I rotate the device, the cells get off center — targetContentOffset is not called.
Note 1: After rotating, just swipe a bit on the cells, and they bounce back to center...
Note 2: This gets printed in my console:
ANSWER
Answered 2021-Dec-12 at 11:33As far as I can see, the method is getting called not when you just rotate the device, but when the layout changes. Meaning, if you change from Landscape Left to Landscape Right the delegate method is not called — however if you rotating from any Landscape to Portrait or other way around, it is working fine.
For maintaining the centered collection view cell, add the targetContentOffset(forProposedContentOffset:) method. This is called after a rotation, and is not the same as your current targetContentOffset(forProposedContentOffset:withScrollingVelocity:) method. In your final code, you should use both of these methods. To summarize:
targetContentOffset(forProposedContentOffset:)is called after a layout changetargetContentOffset(forProposedContentOffset:withScrollingVelocity:)is called when the user lifts their finger
So, in your PagingFlowLayout class, paste the following code:
QUESTION
I have two closed QPolygonFs and I need to find out whether their edges (that is their contours) intersect. As these polygons may be included in one another, looking simply at the intersection of the polygons does not work.
PyQt5 has a built-in function for checking if a point is on the contourline of the polygon, contains(QPointF(x,y)). Thus, it seemed obvious to use this method for each point in the QPolygonF:
...ANSWER
Answered 2021-Dec-04 at 01:15Use QPolygonF.intersected to get the intersection of the two polygons. Assuming both polygons are closed as you said, if one is fully contained inside the other then the returned intersection polygon will be equal to the smaller one. So you can check that it does not equal either of the given polygons.
QUESTION
I have polygons where I want to calculate the percentage overlap between them. The idea is that when a polygon intersects another one, the percentage can be calculated on the perspective of one polygon or the other (i.e., the maximum value). Therefore, I want to make a script that generates percent coverage between polygons taking the percentage of overlap from one polygon and the other and them put all of the results in a data frame.
Here is the code that I have for the moment :
...ANSWER
Answered 2021-Nov-22 at 01:18Simple question but not an obvious answer! The solution I suggest follows a slightly different strategy than yours and does not involve any for loops. First, I developed a function (i.e. area_cover_()) that produces a cross table with only those polygons that have at least one intersection. Then, in a second step, I developed another function (i.e. add_isolated_poly()) that adds the polygons with no intersection at the end of the cross table produced in the first step. This makes it easier to read the final table if you have many polygons without intersection. So, please find the reprex below.
NB: The input data for the reprex corresponds to your sf object s.f.2 with area column
Reprex
1. First step: create a cross table including only the polygons that have at least one intersection (not including the polygons without intersection makes the reading of the cross table more efficient). To do this, I developed the function area_cover()
- Code of the
area_cover()function
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