// the line passes through 'position' and has the direction of 'displacement'
float coefA, coefB, coefC; //line equation: Ax+By+C=0;
coefA = displacement.y;
// the line passes through 'position' and has the direction of 'displacement'
float coefA, coefB, coefC; //line equation: Ax+By+C=0;
coefA = displacement.y;