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ICS 61 - Graphics Light Color Wheel ICS 61 - Graphics Light Color Wheel

ICS 61 - Graphics Light Color Wheel - PowerPoint Presentation

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Uploaded On 2018-11-26

ICS 61 - Graphics Light Color Wheel - PPT Presentation

Color Perception Rods and Cones Red Green Blue Red Green Blue Hue Saturation Value Pixels 2D Graphics Approaches Sprites pixels created in advance and stored in a file Primitive shapes squares circles etc ID: 733946

graphics vector red pixels vector graphics pixels red particle zoomed color text sprites blue green

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Presentation Transcript

Slide1

ICS 61 - GraphicsSlide2

LightSlide3

Color WheelSlide4

Color PerceptionSlide5

Rods and ConesSlide6

Red Green BlueSlide7

Red Green BlueSlide8

Hue Saturation ValueSlide9

PixelsSlide10

2-D Graphics – Approaches

Sprites (pixels, created in advance and stored in a file)

Primitive shapes (squares, circles, etc.)

Text

Vector graphics (e.g., Flash

) - outlines

Set each pixel – probably with an algorithm (e.g., to make fireworks

). “Particle systems”Slide11

Sprites

In Scratch, the different frames are called “Costumes”.Slide12

Vector graphics

Source: http://www.intmath.com/vectors/vector-art.php

Vector based images can be zoomed without

pixelation

.

Ugly zoomed raster image.

A vector

image’s outline

is defined by mathematical curves.Slide13

Text – vector and bitmapSlide14

Particle Systems