@hiddentao/clockwork-engine/dist/platform/utils/coordinateTransforms.js

A TypeScript/PIXI.js game engine for deterministic, replayable games with built-in rendering

/**
 * Coordinate Transform Utilities
 *
 * Shared functions for world-to-screen and screen-to-world coordinate transformations.
 */
/**
 * Transform world coordinates to screen coordinates
 *
 * @param worldX World X coordinate
 * @param worldY World Y coordinate
 * @param viewportPosition Viewport position in world space
 * @param zoom Viewport zoom level
 * @returns Screen coordinates
 */
export function worldToScreen(worldX, worldY, viewportPosition, zoom) {
    return {
        x: (worldX - viewportPosition.x) * zoom,
        y: (worldY - viewportPosition.y) * zoom,
    };
}
/**
 * Transform screen coordinates to world coordinates
 *
 * @param screenX Screen X coordinate
 * @param screenY Screen Y coordinate
 * @param viewportPosition Viewport position in world space
 * @param zoom Viewport zoom level
 * @returns World coordinates
 */
export function screenToWorld(screenX, screenY, viewportPosition, zoom) {
    return {
        x: screenX / zoom + viewportPosition.x,
        y: screenY / zoom + viewportPosition.y,
    };
}