calculators/rocket/payload/Earth.js

		}

		+ standardGravity() {
		+ return Earth.STANDARD_GRAVITY;
		+ }
		+
		rotationalSpeed(latitude, altitude) {
		const radialLatitude = this.radius(latitude);

calculators/rocket/payload/Rocket.js

		}

		- altitudeReached(currentAltitude, currentSpeed) {
		- const G = 6.67384e-11;
		- const R0 = 6378137.0;
		- const M = 5.97219e24;
		- const mu = G * M;
		+ /**
		+ * Determines the rocket's current altitude.
		+ */
		+ altitudeReached() {
		+ const mu = this.planet.standardGravity();
		+ const r0 = this.planet.radius(this.latitude);
		+ const r1 = r0 + this.altitude;
		+ const r2 = mu / (-0.5 * this.vVelocity ** 2 + mu / r1);

		- const r1 = R0 + currentAltitude;
		- const r2 = mu / (-0.5 * currentSpeed ** 2 + mu / r1);
		- return r2 - R0;
		+ return r2 - r0;
		}

		/**
		- * Checks if the rocket is still flying, i.e., if it has fuel and has not
		- * reached the target altitude.
		+ * Checks if the rocket is still flying, i.e., if it has fuel, has not
		+ * reached the target altitude, and hasn't crashed.
		*
		* @returns {boolean} True if the rocket is flying.

		vThrust = -drag[1];

		- const reached = this.altitudeReached(this.altitude, this.vVelocity);
		+ const reached = this.altitudeReached();

		// Increase vertical thrust until orbital altitude is reached.

Reuses planetary constants

Author	djarvis <email>
Date	2024-12-18 21:31:32 GMT-0800
Commit	0d69a9d4acee2215037b2b38c84302b65a6c0561
Parent	d9ffc2c
Delta	16 lines added, 11 lines removed, 5-line increase