In an OpenGL ES app I'm working on, when i use glReadPixels to get pixel but got empty buffer.now i don't know what's wrong in my code。Thanks for any ...
In an OpenGL ES app I'm working on, when i use glReadPixels to get pixel but got empty buffer.now i don't know what's wrong in my code。Thanks for any ...
I'm trying to understand how to use camera with usesOrthographicProjection = true. I need to set it up so when we first see the scene, the object shou ...
I've completed my game using Buildbox 2.3.3 and have cleaned up as many warnings as possible on Xcode. However, I've been at this for weeks now on me ...
According to Apple's documentation GLKit is in beta for Mac Catalyst. However, when attempting to run our iPad app with Mac selected as the device, w ...
I am trying to implement animation in a still image in a user-guided direction, something like this: Original image Expected result For this, I ...
I try to use GLKit to show a cube. However some trouble confused me. I can't load my texture. The code likes below: The problem may appear in the c ...
I'm trying to calculate the real world 3D-coordinate of the center pixel of image taken with a drone. I have the longitude, latitude, altitude, and Eu ...
I'm using GLKit's GLKView in one of my projects. As per Apple's documentation it is deprecated. I can still use it in my app and it is fully functiona ...
I have a IOS project I need to update. It works fine in Xcode 8, but after upgrading to Xcode 9 or 10 (tried both) it won't compile anymore. I get "E ...
Ho can I get distance point on screen? Here is code: All draws perfectly, but I can't get distance to drew points. Edit: I log depth, also experi ...
Starting iOS 11, I have been noticing OpenGL-ES crashes, when we call display method on GLKView. We have made sure GLKView and EAGLContext are properl ...
I'm reading a Metal tutorial on raywenderlich.com, where it introduces a pure Swift float4x4 helper class. 99% it's just wrapper around GLKit function ...
I am trying to implement real time camera app with AVFoundation, GLKit and Core Image(not using GPUImage) So, I found this tutorial http://altitudela ...
I am unable to render an image from an OpenGL context with a transparent background in CoreGraphics. The rendered image has a black background. This ...
Scenario I am building an application that manipulates the chroma values of video frames. I am using Objective-C code from another project and trans ...
I am having an issue loading in textures through a load texture method. The first time I call the load texture method all is well, but any subseque ...
I'm using PanoramaGL to show a 360 picture inside a car and I need to add some hotspots. I did exactly like their example: The 360º image works pe ...
I have an iOS app that uses GLKViewController and I set up the render buffer as follows: inside @interface RootViewController : GLKViewController< ...
I would like to use SceneKit’s SCNRenderer to draw a few models into my existing GLKit OpenGL ES 3.0 application and match my existing modelViewProjec ...
After adding the Dropbox SDK Framework to my Xcode project (iOS) my project fails to build due to errors shown in image 1 below: Prior to adding th ...