Building Desktop and Embedded Uis with Qt 3D
summary
Qt3D (Qt 5.5/5.6 tech preview) provides C++ and QML APIs, a data-driven framegraph that configures rendering (forward, deferred, layered passes with blending), and an entity-component system for mesh/transform/material/logic/input components. The demo builds a simple space‑shooter: OBJ meshes, texture/materials, orthographic camera, dynamic spawners creating asteroids/enemies every few frames, keyboard input and bullets, and a blended laser pass. Rendering uses a multithreaded job backend so scene building scales across cores; demo runs but lacks collision detection yet.
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chapters (16)
- 0:00Start
- 2:31Things Can We Use Cute 3d for
- 4:59Create the Basic Application Structure
- 5:23The Qml Aspect Engine
- 12:09Entities and Components
- 21:20Scrolling Background
- 21:50Logic Component
- 25:33Parallax Scrolling
- 26:23Input Manager
- 28:43Parallax Effect
- 29:25Dynamic Qml Instantiation
- 33:08Bullets
- 35:04The Frame Graph
- 38:14Frame Graph
- 39:29Add a 2d User Interface over the Top
- 45:35Can You Implement Your Own Graphics Algorithms or Are You Limited to Doing Simple Layer Based Rendering
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