The path that a moving object follows through space as a function of time. It can be described mathematically either by the geometry of the path, or as the position of the object over time.
0
votes
1answer
55 views
How to implement the missile trajectories in the classic missile command game - pygame
I am doing a clone of the classic arcade game missile command, i am curious about how to implement the trajectories of the missiles. I have a solution that looks pretty similar to the original game, ...
1
vote
1answer
76 views
Find Initial Velocity for Parabolic Arc with Fixed Angle that Crosses Target Position
In my game I want skeletons to occasionally lob bones at the player. The player can be anywhere in relation to the skeleton (above or below, to the left or right), and I want the skeletons to throw a ...
1
vote
1answer
97 views
finding the angle to launch a projectile at a 3d coordinates
I have a game where the user can shoot a bullet and the bullet flies through 3 dimensional space and eventually hits the ground somewhere. My question is how can I calculate the pitch of the angle to ...
0
votes
1answer
135 views
Howto calculate the ideal hit of arrow?
I am trying to make the AI shoot an Arrow and Always hit the target. Assuming that the target is within his range I am stuck what the correct way is to do this. I search and found some solutions but ...
1
vote
1answer
39 views
How do you convert angle with velocity to x velocity and y velocity?
This question can be simplified to: If you lean a pencil of a certain length at a certain angle what is the x and y position of the tip?
So, basically, I am making a game that plots a balls path ...
1
vote
1answer
35 views
How do I take 2D ballistic trajectory planning and apply it to 3D?
I am currently using this formula
speed = sqrt((gravity.y*target.x^2)/(2*cos^2(angle)*(target.y - target.x*tan(angle)))
provided by DMGregory as an answer for my question here to determine the speed ...
0
votes
1answer
150 views
Calculate initial velocity for trajectory given duration, launch angle, and distance
I need my entity to go from point A to point B with a given launch angle over a given time.
I've been able to figure out the initial velocity without the constraint of the launch angle, but I can't ...
0
votes
1answer
348 views
Displaying Trajectory Path [closed]
How can I display trajectory path exactly as in this image?
I have used void OnDrawGizmos, but that only displays trajectory in the editor and without any arrows like shown below.
Trajectory with ...
2
votes
2answers
300 views
Calculating initial velocities given trajectory parabola
I'm working on a volleyball game but my maths/physics knowledge isn't quite up to par. I need some help with the following problem:
The player can hit the ball from anywhere on the left of the court ...
6
votes
3answers
334 views
How can I launch a GameObject at a target if I am given everything except for its launch angle?
I have been working on this one for a few weeks, and I have yet to succeed. I have searched every resource out there, and tried them all, but still without success, so I do not believe existing links ...
1
vote
0answers
337 views
How can I shoot an arrow if I know the shot power and target?
I am trying to shoot an arrow at a target with a 100% success rate. Given the initial force applied to the arrow, the gravity, the location of the archer, and the location of the target, how can I do ...
2
votes
0answers
380 views
In Unity, how do I make a 3D flight arc preview?
I'm stuck on how to make a preview trajectory for a projectile appear when holding a button. The trajectory should start at a certain position on the scene and end wherever the player points their ...
1
vote
3answers
352 views
Projectile Rotation During Flight (Tank Game)
I have a tank firing projectiles into the air.
I want the projectiles to be rotated relative to their position along their flight path.
See the diagram I drew in the image below.
At any given point ...
1
vote
1answer
50 views
How can I create a parabola that does not use negative X coordinates
I am currently devloping my first javascript program ever which is a table tennis game.
I am trying to create trajectory for the ball to follow when hit - just a very basic parabola. However im not ...
0
votes
2answers
124 views
How to get a turret to shoot at player in a shmup
I'm developing a basic vertical shoot em up on the DS and am trying to get stationary turrets to shoot at the player in a shoot em up. Early on I simply had them shooting in fixed 8 directions N, S, E ...
2
votes
1answer
550 views
How to rotate an object along its trajectory path?
I have a missile launcher that uses initial velocity for the trajectory. I edit the launch angle from the editor, and then the script calculates the initial velocity required to land the missile to ...
0
votes
2answers
458 views
Trajectory of a spinning ball
How do I would precalculate trajectory of a kicked ball, when it's spinning?
I'm applying spinning using simplified Magnus effect every frame like this and it works:
acceleration += swerve × ...
1
vote
2answers
133 views
Adding gravity to arrival steering behavior
I trying to write an autopilot for the classic Lunar Lander or its clones.
According to this paper, the arrival behavior is exactly what I need for a soft landing. In this example, it accelerates at ...
-1
votes
1answer
994 views
Trajectory Projectile with Collision Detection
Right now I am trying to create projectile for cannon in which I want to detect collision also.
At present I have simple working projectile after using two references
Unity – How to display ...
2
votes
3answers
1k views
How can I determine trajectory from distance and time, without initial velocity?
I'm attempting to develop a Mortar that needs to lead it's shot to the target enemy. The shot will have a pre-determined constant flight time of (2.5 seconds) and it will have where the enemy should ...
1
vote
1answer
172 views
Lunar lander: why is my descent module crashing
I've been reading this awesome simulation of the actual Apollo 17 descent:
http://www.braeunig.us/apollo/LM-descent.htm
I've been trying to make my own simulation using Euler integration, with a time ...
0
votes
1answer
396 views
Lunar lander: How to calc acceleration in each step
I'm trying to make a lunar lander simulator. I'm going to use a simple Euler integration. AFAIK all I've to calculate is the acceleration in each step, and then I should be able to update velocity and ...
4
votes
5answers
1k views
Goalkeeper Jumping Algorithm?
This may be a "best way to" question, so may be susceptible to opinion-based answers (which is ok for me). But I would also like if there are any tutorials , research papers , etc.
I'm trying to make ...
2
votes
1answer
2k views
Calculating trajectory
I'm just starting with game development and some physics related to that. Basically I want to calculate a trajectory given an initial velocity and as well as an elevation / angle. So I wrote this code ...
1
vote
1answer
122 views
Translation over a vector trajectory
I'm working on a particle field system, where the particles can go from a point of the map, to another point of the map, using an angle (with sin and cos).
By now, I can calculate the vector by ...
1
vote
1answer
179 views
How do I have an arrow follow different height parabolas depending on how long the player holds down a key?
i'm trying to throw an arrow in my game, but i'm having a hard time trying to realize how to make a good parabola.
What I need:
The more you hold "enter" stronger the arrow goes.
The arrow angle will ...
1
vote
0answers
145 views
Particle trajectory smoothing: where to do the simulation?
I have a particle system in which I have particles that are moving to a target and the new targets are received via network. The list of new target are some noisy coordinates of a moving target stored ...
5
votes
1answer
486 views
How to account for acceleration when aiming projectiles?
How do I aim a constant speed projectile to hit a target if there is a constant acceleration vector acting on it? (For example, the wind and gravity from Worms.)
7
votes
2answers
13k views
How can I find a projectile's launch angle?
I am making a 2d game in which units fire arrows at each other.
I know the shooter's and the target's position and the initial velocity of the projectile. I want to know the angle the projectile ...
3
votes
2answers
261 views
How do I find realistic 3D paths for stable and unstable flying rockets?
I am building a 3D application that simulates launching small rockets. I want to draw their trajectories.
I know that rockets have a degree of stability. I want to include this in the simulation, but ...
21
votes
3answers
4k views
How can I move an object in an “infinity” or “figure 8” trajectory?
When I want to move object around point I do:
point.x *= cosf(timer.timeElapsed);
point.y *= sinf(timer.timeElapsed);
How to make point move on eight or infinity sign trajectory?
8
votes
1answer
2k views
How to make an arrow land at a specific position in 3D world space
In my game when I click with the mouse on the terrain somewhere, I'd like the player to fire an arrow to that position in a parabolic fashion.
The arrow has a position, acceleration and velocity all ...
1
vote
2answers
610 views
Simplified trajectory equation to identify Time Taken(t) by a protectile to travel Distance(d), under gravity?
I am building a game, where I have to plot a trajectory of a ball in 3D space, launched with an inital velocity Sx, Sy, Sz. [I am using OpenGL and Android-NDK]
Lets assume Sz is always 0. And Sx ...
1
vote
0answers
457 views
Calculate initial velocity of a 3d vector-based projectile
Okay, so I got a Projectile with 2 Vectors, position and velocity.
I now want to calculate the initial velocity for it in order to reach a specific point on the map.
Or actually, how high has the ...
9
votes
4answers
962 views
Calculating missile trajectory around orbits before shooting
I'm building a game with Unity3D. It's a Gravity Wars clone. Both player and AI turrets shoot missiles at each other (giving an Angle and a Power variables), trying not to crash missiles on planets.
...
20
votes
3answers
2k views
How does one avoid the “staircase effect” in pixel art motion?
I am rendering sprites at exact pixel coordinates to avoid the blurring effect caused by antialiasing (the sprites are pixel-art and would look awful if filtered). However, since the movement of the ...
8
votes
1answer
943 views
Projected trajectory of a vehicle?
In the game I am developing, I have to calculate if my vehicle (1) which in the example is travelling north with a speed V, can reach its target (2). The example depict the problem from atop:
There ...
4
votes
2answers
919 views
Tracking Object Position - Firing on a Trajectory
How can I calculate the position of an object after "firing" it from a fixed point?
I am to create a small game - most likely with canvas (pure HTML, JS based) or Adobe Flash - in which the player ...