so i've had this issue ever since i started using photoshop, and it hasn't really affected me until now. i'm beginning to do more technical concepts based on machinery, and i want to be able to quickly do a series of straight lines using shift and making a line with the brush tool. the first time it makes a straight line ( horizontal or vertical ) just fine. but, when i try to make a second one it connects the two lines with a line that i didn't intend. the only way i can get it to not do this is make a straight line, then switch my tool, then go back to the brush tool and make another line. this is really time consuming when i need to do alot of straight lines in a row without necessarily connecting them. i'm just not sure how to change this. anybody help?