apptest_viewports

This is a test for the Viewport and Camera classes. It shows multiple viewports arranged in a vertical split screen and with picture-in-picture.

You can tweak both the viewport and the camera parameters with an ImGui interface.

Controls

• Use the mouse, the keyboard, the gamepad, or the touch screen to interact with the ImGui interface
• Pressing W/A/S/D, dragging while pressing the left mouse button, touching with one finger, or moving the left gamepad stick will pan the camera
• Pressing the left/right arrow keys, dragging horizontally while pressing the right mouse button or touching with two fingers, or moving the right gamepad stick left/right will rotate the camera
• Pressing the up/down arrow keys, dragging vertically while pressing the right mouse button or touching with two fingers, or moving the right gamepad stick up/down will zoom the camera
• Scrolling the mouse wheel will also zoom the camera
• Pressing R or double-clicking will reset the camera position, rotation, and scale
• Pressing B on the keyboard will toggle batching
• Pressing C on the keyboard will toggle culling
• Pressing I on the keyboard will enable or disable the mouse input
• Pressing CTRL + H on the keyboard will show or hide the ImGui interface
• Pressing F on the keyboard will toggle full screen
• Pressing P will pause the application
• Pressing Escape on the keyboard will quit the application