Welcome to NoPumpG!

This is a web-based revival of Clayton Lewis's 1987 system linking spreadsheet cells and interactive graphics.

Interactive Primitives:

• Lines: Drag endpoints. Constrained if coordinates contain formulas (e.g. L1.y2 = L1.y1 locks line horizontal).
• Sketches (Bitmaps): Drag center point. Dynamic flapping/motion possible using formulas. Double click a sketch to open the Pixel Editor!
• Text: Editable text boxes positioned via cells. Drag to position.
• Pens: Leaves traces when dragged or animated. Control via x, y, and down (>0).

Custom Operators:

• lc(arg) / lc(arg1, arg2): Bidirectional logic. Value updates to whichever changed most recently (manual drag vs formula).
• int(arg): Integral operator. Accumulates values on clock step: val += arg * dt. Resolves cyclic dependencies safely.
• if(cond, trueVal, falseVal): Ternary operator. Evaluates true if cond > 0.
• const: Locks a cell's current value from direct dragging/inputs.