Perlin Noise: Convert 2D perlin noise into vector field THETA

pro_NOISE-IncrementAndConvertToTHETA.pde

// Incrementing Noise to THETA

for (int i = 0; i < flowFieldCols; ++i) {
	float yOffSetNoise = 0;
	for (int j = 0; j < flowFieldRows; ++j) {
		float theta = map(noise(xOffSetNoise, yOffSetNoise), 0 ,1 ,0 ,TWO_PI);
				
		// Convert from Polar to Cartesian
		// according to SOHCAHTOA, cos(theta)=1 and sin(theta) = 0 when theta = 0 (aka (1,0))
		vectorField[i][j] = new PVector(cos(theta), sin(theta));

		// increment the Perlin Noise
			yOffSetNoise += 0.1;
		}
		xOffSetNoise += 0.1;
	}
}