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Graphics Fundamentals

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Presentation on theme: "Graphics Fundamentals"— Presentation transcript:

1 Graphics Fundamentals
What you need to know to get started

2 Units of Color Pixels: “dots” that make up a picture
Resolution: number of pixels in the whole picture (1024 x 768) Coordinates: pixel positions in some space Colors can be RGB or HSV or others

3 Coordinate Spaces Unity

4 Coordinate Spaces & the Display Pipeline
Object Space World Space Camera Space Image Space Screen Space

5 Object vs World Space

6 Camera Space

7 Image Space Collapse frustum onto a rectangle

8 Screen space Change into screen coordinates for display
Usually (0,0) is upper left pixel

9 Transforms Transforms are how you convert from one coordinate system to another. Mostly matrix multiplications Affine Transforms = Preserve parallelism 3 Main transforms: Translate, Rotate, Scale

10 Affine Transforms Translate Rotate Scale Shear

11 Rotations: a point and axis


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