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| |[[Image:TA-arc.png]]||Arc (angle in degrees,radius)||move turtle along an arc | | |[[Image:TA-arc.png]]||Arc (angle in degrees,radius)||move turtle along an arc |
| |- | | |- |
− | |[[Image:TA-setxy.png]]||Setyx (xcor, ycor)||move turtle to position (xcor,ycor) [(0,0) is in the center of the screen.] | + | |[[Image:TA-setxy.png]]||Setyx (xcor, ycor)||move turtle to position (xcor, ycor) [(0, 0) is in the center of the screen.] |
| |- | | |- |
| |[[Image:TA-seth.png]]||Seth (heading)||set the heading of the turtle [0 is towards the top of the screen.] | | |[[Image:TA-seth.png]]||Seth (heading)||set the heading of the turtle [0 is towards the top of the screen.] |
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| Turtle state values (can plug into a parameter): | | Turtle state values (can plug into a parameter): |
− | * X, Y, Heading (Zeros for each are center screen, pointed up. Heading is degrees clockwise.) | + | * X, Y – Zeros for each are at center screen. Negative values are left and down; positive values are right and up. |
− | * angles are degrees from 0 to 360 (for larger values and smaller values all multiples of 360 are subtracted or added to get the value into the range 0..360). | + | * Heading – Zero is pointed up. Heading is in degrees clockwise. |
− | ::Example: 90 means a right angle clockwise, –30 means a 30 degree angle counterclockwise | + | * Angles are degrees from 0 to 360 (for larger values and smaller values all multiples of 360 are subtracted or added to get the value into the range 0..360). |
| + | ::Examples: 90 means a right angle (90 degrees), clockwise; –30 means a 30-degree angle, counterclockwise |