# Proko - Drawing Basics ## Metadata **Status**:: #x **Zettel**:: #zettel/fleeting **Created**:: [[2026-01-19]] **Topic**:: [[♯ Painting]] **URL**:: [proko.com](https://www.proko.com/course/drawing-basics) ## Lines - CSI: decompose lines into C-curves, S-curves, and I-straights. - We tend to make details too large. #caveat - Light weight: - Thick for important, near, dark lines - Thin for trivial, far, light lines ## Shapes - Emotional impact: - Circle: soft - Square: strong - Triangle: aggressive like a dagger, dynamic - High/wide rectangles - Leave more spaces on the direction where the protagonist looks at. ## Perspective - One-point perspective only works for objects facing you. - Two-point perspective allows rotation around the y axis. The angle determines the position of diminishing points. - Scale by portion for diminishing points far away. - Three-point perspective is usually for looking up/down. - Short axis of the oval align with the center. - Curve for Gesture, Corner for Structure ## Values - Oceans, Lakes, Rivers - Light and Shadow - Occlusion Shadow - Cast Shadow - Form Shadow: Terminator, Core Shadow, Reflected Light - Highlight, Center Light, Halftones ## Edges - Sharp, Firm, Soft, Lost - High contrast edges are important - Edges between light and shadow: Core Shadow, Cast Shadow - Form Change, Local Color Change, Core Shadow, Cast Shadow - Decide on edge types: - Form Shadow: Smoothness of form change - Cast Shadow: - Light types: ambient or directional - Distance with the object