Fix non-determinism in portal_core_clock

// Hana Tokarova - 484176

// Portal Core Clock - Inspired by game Portal

color coreColor = color(0, 0, random(50, 200)); // Color of the core

color coreColor; // Color of the core

int slices = 21;                                // Number of lines in circle

int size = 300;                                 // Diameter of circle

float x; 										// X coordinate for line

void setupHash() {

	// size(500, 400);

	coreColor = color(0, 0, random(50, 200));

	background(0);

}