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**##[[float]] llCos([[float]] theta)##** [[return Returns]] the [[http://mathworld.wolfram.com/Cosine.html cosine]] of ##theta## [[radians]]. Given a point on a circumference, it is the horizontal distance from the center, measured in radians. %% ____ | \ | B | /|\ | / | \ | / | \ | / | | A/____C___|D %% not a good circle, but measures the distance //AC// where //DB// is the number of radians (//usually between 0 and [[TWO_PI]]//) you must go around the circumference. |||c **Radians** || **Angle** || **Cosine** || || 0 || 0 || 1 || || 0.392699 || 22.5 || 0.923880 || || 0.785398 || 45 || 0.707107 || || 1.178097 || 67.5 || 0.382683 || || 1.570796 || 90 || 0 || || 1.963495 || 112.5 || -0.382684 || || 2.356194 || 135 || -0.707107 || || 2.748893 || 157.5 || -0.923880 || || 3.141593 || 180 || -1 || || 3.534292 || 202.5 || -0.923880 || || 3.926991 || 225 || -0.707107 || || 4.319690 || 247.5 || -0.382684 || || 4.712389 || 270 || 0 || || 5.105088 || 292.5 || 0.382684 || || 5.497787 || 315 || 0.707107 || || 5.890487 || 337.5 || 0.923880 ||| The following will rez 16 objects around the object containing the script in a circle. It will use the first object in its inventory as the object to rez. %%(lsl) default { state_entry() { // name of first object in inventory string name = llGetInventoryName(INVENTORY_OBJECT, 0); // number of objects to rez float count = 16; // size of circle from center to the edge float radius = 5.0; // distance in radians between each object float step = (1.0 / count) * TWO_PI; // position on circumference to place object float radians; // move along circumference for(radians = 0.0; radians < TWO_PI; radians += step) { // get x/y position of circumference float x = llCos(radians) * radius; float y = llSin(radians) * radius; // translate relative to objects current position vector pos = llGetPos(); pos.x += x; pos.y += y; // rez the object llRezObject(name, pos, ZERO_VECTOR, ZERO_ROTATION, 0); } } } %% Compare with ##[[llAcos]]##. ---- [[functions Functions]] | [[math Math]]
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