I've been playing around with lua for a couple of weeks now, and managed to set up a decent basic interface with the LDCad internals.
The below lua script is my current test script, everything in it actually works (compile/runtime wise) and I was wondering if it is somewhat 'understandable'. Or do people think it's to lowlevel?
I'm also thinking to add a matrixstack object, so you could use that similar to the OpenGL intermediate mode.
Anyhow if anyone has additional suggestions for api functions/functionality I'm open to suggestions.
The below lua script is my current test script, everything in it actually works (compile/runtime wise) and I was wondering if it is somewhat 'understandable'. Or do people think it's to lowlevel?
Code:
--Initialization----
function register()
local myAni=ldc.animation('Test animation 1');
myAni:setFPS(25);
myAni:setLength(2); --seconds
myAni:setEvent('frameChange', 'frameChange');
myAni:setEvent('play', 'play');
myAni=ldc.animation('Test animation 2');
myAni:setFPS(25);
myAni:setLength(10); --seconds
myAni:setEvent('frameChange', 'frameChange');
myAni:setEvent('play', 'play');
end
--ldc.setPrint2Log(true);
--ldc.setPrint2Console(true);
print('apiVersion: ',ldc.getApiVersion());
register();
--Animation functions-----
function play()
doAltTest=false; --in order to test the matrix class wrapper
totRotCnt=2; --nr of rotations within the animation length
--try to bind upto 3 groups
grp1=ldc.group('Group 1');
grp2=ldc.group('Group 2');
grp3=ldc.group('Group 3');
local ani=ldc.animation.getCurrent();
print('fps: ', ani:getFPS(), ', frameCnt: ',ani:getFrameCnt());
end
function frameChange()
local ani=ldc.animation.getCurrent();
local angle1=ani:getFrameNr()/ani:getFrameCnt()*totRotCnt*360;
if (grp2:isLinked() and grp3:isLinked()) then
--full gear rotation test
local angle2=-0.5*angle1+(360/16/2);
local angle3=-0.2*angle2+(360/40/2);
print('frame: ',ani:getFrameNr(),', angle1: ',angle1, ', angle2: ', angle2, ', angle3: ', angle3);
local ori=ldc.matrix();
ori:mulRotateAB(angle1, 0, 0, 1);
grp1:setOri(ori);
ori:setRotate(angle2, 0, 0, 1);
grp2:setOri(ori);
if doAltTest then
--rel rotation test (excuse to play more with matrix and vector userdata)
pos=ldc.vector(90, 40, 70);
mat=ldc.matrix();
mat:mulTranslateAB(pos);
mat:mulAB(ori);
pos:scale(-1);
mat:mulTranslateAB(pos);
grp3:setPosOri(mat);
else
ori:setRotate(angle3, 0, 0, 1);
grp3:setOri(ori);
end
else
--single rotating group test
local ori=ldc.matrix();
ori:mulRotateAB(angle1, 1, 0, 0);
grp1:setOri(ori);
end
endI'm also thinking to add a matrixstack object, so you could use that similar to the OpenGL intermediate mode.
Anyhow if anyone has additional suggestions for api functions/functionality I'm open to suggestions.