Hello Processing - Vula

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An Introduction To Programming With Processing Hello Processing 44 Install Processing 44 Sketches 44 Hello World Program 1.0 45 The println() Function 47 Syntax And Syntax Errors 48 Logical Errors 50 Display Window 50 Standardized Coding Practices 52 Comments 52 Whitespace 53 Program Notes 54 Cartesian Graph and the Processing Coordinate System 54 Hello Display Window: Hello World 1.1 56 text() 56 Program Notes 57 Formatting Text 58 Color 59 Drawing 62 2D Primitives 62 The Origin of an Ellipse 63 Aliasing 66 Smile 66 Angles in Processing 66 Editing the Smile 69 Adding Eyes 72 Drawing Irregular Shapes 73 Order, Order! 78 Finishing the Sketch 78 Programming Paradigms 80 Datatyping Categories 81 Primitive Data Types 81 Processing API Data Types 82 User Defined Complex Data Types 83 PImage 83 The Design and Layout Program 86 Program Notes for Interface01.pde 86 Table Of Contents 4
An Introduction To Programming With Processing The PDE Tools Menu 86 Beyond Static Sketches and on to Active Mode 90 Methods, Functions and their contexts 91 The setup() function 92 The draw() function 94 Experimentation 96 Datatyping 101 Variables 102 Variable Scope 104 Interacting with Images 106 Friction Simulation 109 Variable Naming Conventions 111 Planning and Pre-debugging 112 Implementing a Programmatic Solution 114 Constraining Values 116 Branching 118 The if() structure 120 Relational Operators 121 Comparison 121 Extending the if() structure with else 124 Extending the if() construct with if else if else 126 Logical Operators 127 Interface Controls Setting up a Slider 128 User Defined Functions 130 Creating a User Defined Function 134 Datatyping a Function 134 Determining a Range 134 Returning Data from a Function 138 Dragging the Slider Button 140 Setting up Regional Constraints 142 Finishing the Slider 144 Mapping Values 144 The Mystery Shape Maker 148 Arrays 149 Program Notes 153 Dynamic Assignment for Elements in and Array 155 Iterations 158 Table Of Contents 5
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Hello Processing - Vula

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