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line of sight

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scratchapixel.com › lessons › procedural generation virtu… › procedural patterns noise p…
Value Noise and Procedural Patterns
...template<typename T = float> inline T lerp(const T &lo, const T &hi, const T &t) { return lo * (1 - t) + hi * t; }
The...
scratchapixel.com › lessons › 3d basic rendering › get started
Your Starting Point!
...Let's move the apex of the viewing frustum to the origin and orient the line of sight (the view direction) along the negative...
scratchapixel.com › lessons › mathematics physics for com… › monte carlo methods in prac…
Monte Carlo Methods in Practice
...In a report on the Monte Carlo method published in 1957 by the Los Alamos Scientific Laboratory, we could already read:
The present state...
scratchapixel.com › lessons › 3d basic rendering › 3d viewing pinhole camera
The Pinhole Camera Model
...These planes are positioned along the camera's line of sight, aligning with the camera's local z-axis. Unlike anything in the real...
scratchapixel.com › lessons › 3d basic rendering › introduction to lighting
Introduction to Lighting
...Well, if you put flags on the far side of the moon or beyond the viewer's line of sight, thatâs not a very...
scratchapixel.com › lessons › mathematics physics for com… › lookat function
Placing a Camera: the LookAt Function
...points away from you (in the same direction as the line of sight) when looking down the z-axis. While it's true that...
scratchapixel.com › lessons › 3d basic rendering › perspective and orthographi…
The Perspective and Orthographic Projection Matrix
...Of course, nothing stops us from moving this canvas anywhere along the line of sight, as shown in the figure below, which illustrates three...