X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=74e79a7328607479e2923944c5990a65b87c3e64;hb=4bceef28c8187fdff231fe2bc03fd3da6b7adb4b;hp=939594deb5ed37203bd2ed6621ce6b0999a1827d;hpb=933954a445fd282f85c1cc9427fddc505422ec54;p=atyndall%2Fcits2231.git diff --git a/scene.c b/scene.c index 939594d..74e79a7 100644 --- a/scene.c +++ b/scene.c @@ -307,19 +307,13 @@ void motion(int x, int y) { // w: big/small, h: up/down // For big/small scaling, we map negative numbers to 0->1 and positive numbers to 1->inf - float diff = (y - starty); - float scaling; + float diff = (x - startx); + float scaling = ( diff + (float)height/2 ) / ( (float)height/2 ); - if ( diff < 0 ) { - scaling = (x - -height)/(0 - -height); - } else { - scaling = diff; - } - - printf("Diff is %f, Scaling by %f on all axii\n", diff, scaling); - sceneObjs[curObject].scale[0] += scaling; - sceneObjs[curObject].scale[1] += scaling; - sceneObjs[curObject].scale[2] += scaling; + sceneObjs[curObject].scale[0] *= scaling; + sceneObjs[curObject].scale[1] *= scaling; + sceneObjs[curObject].scale[2] *= scaling; + printf("Diff is %f, Scaling by %f on all axii, 1/map is %f\n", diff, sceneObjs[curObject].scale[0], scaling); } startx = x;