My Notes

Line to Point Collision

Tue, 17 Mar 2026 14:45:05 GMT

Example Given a wall with 2 points (W_\text{start}, W_\text{end}) and a point P, determine if it collides Steps: Get Wall Normal Compare Get Wall Normal From Making a normal vector: Making a normal vector In 2 steps: Swap x and y Negate either the x or y Negate x to rotate 90^{\circ} anti-clockwise ...

Line to Line Collision

Tue, 17 Mar 2026 14:25:16 GMT

08 Global & Local Max

Mon, 16 Mar 2026 10:15:34 GMT

Example:.

09 Curvature of graph

Mon, 16 Mar 2026 09:20:06 GMT

See how x = a changes When..What happensf'(x)=0f(x) reaches max/min, tangent line is horizontalf''(x)=0 (f'(x) also reaches max/min)f(x) changes from curve upward to curve downwards or vice versa x=0 is NOT and inflection point can test by doing: f''(-1) < 0 f'...

Classes and Structs Overview

Sun, 08 Mar 2026 02:18:39 GMT

// In .h class Person { public: Person(); // Constructor Person(const char* name, int age); // Overloaded Constructor ~Person(); // Deconstructor Person(Person const& rhs); // Copy constructor Person& operator=(Person const& rhs); // Copy assignment private: std::string name; int age; } ...

enum

Sun, 08 Mar 2026 02:18:39 GMT

Syntax - C enums enum Suit { SPADE, // Default set to 0 HEART, // 1 CLUB, // 2 DIAMOND, // 3 SUIT_COUNT, // 4 } // Unnamed enums - used for defining integer consts enum { ZERO, ONE, TWO, TEN = 10, } // Implicit converts to int, suit = 2 int suit = CLUB; Implicit conversions between int \iff enum tod...

Function Templates

Sun, 08 Mar 2026 02:18:39 GMT

Syntax template T Max(T lhs, T rhs) { return lhs > rhs ? lhs : rhs; } // Generates a new function of type int // int Max(int lhs, int rhs) {...} Max(3, 5); // returns 5 // Generates // double Max(double lhs, double rhs) {...} Max(3.14, 2.13); // returns...

_Templates - Overview

Sun, 08 Mar 2026 02:18:39 GMT

Notes views: - type: table name: Table filters: and: - file.inFolder(this.file.folder) && file.path != this.file.path Syntax Overview Function Templates template T Max(T lhs, T rhs) { return lhs > rhs ? lhs : rhs; } Max(3, 5); Max(3.14, 2.13); Class Templates todo Other...

_Differentiation Formulas - All

Sun, 08 Mar 2026 02:18:39 GMT

Table of content Limits Differentiation Limits Limit Laws LawFunctionConstant\lim\limits_{ x \to a }cConstant Multiplier\lim\limits_{ x \to a }cf=c\lim\limits_{ x \to a }fAdd/Sub\lim\limits_{ x \to a }(f\pm g)=\lim\limits_{ x \to a }f\pm \lim\limits_{ x \to a }gProduct\lim\limits_{ x \to a }(f\cdot ...

06 Newton's Law

Sun, 08 Mar 2026 02:18:07 GMT

Description This is used to find the approximate root of a function - where f(x)=0 Used when it’s hard to find it directly.