Screen Mapping: From Normalised Coordinates to Pixel Columns and Rows
This lesson is part of the course
In this lesson
You stretch NDC values onto a 640 × 360 viewport, round them to whole pixels, flip y because pixel rows count downwards, flag a point off the screen and plot the projected cube.
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Lessons in this course
- Points & Meshes: Vertex Tables, Face Tables and Lookups Locked
- Model Transforms: Scale, Rotate, Move – and Why the Order Matters Locked
- Camera Space: Moving the World in Front of the Camera Locked
- Perspective Projection: Field of View, Aspect Ratio and Clipping Locked
- Screen Mapping: From Normalised Coordinates to Pixel Columns and Rows Locked
- Back-Face Culling: Signed Areas Decide Which Faces Are Drawn Locked
- Depth Buffer: The Nearest Fragment Wins Locked
- Capstone – Flat Shading, Grey Levels and the Frame-Time Budget Locked