sunspider-3d-morph.js

// Test from here:
// http://webkit.org/misc/morph.html

startTest("sunspider-3d-morph");

var loops = 15, nx, nz, a;
var size = 120;

function morph(a,f) {
    var PI2nx = Math.PI * 8/nx;
    var sin = Math.sin;
    var f30 = -(50 * sin(f*Math.PI*2));
    
    for (var i = 0; i < nz; ++i) {
        for (var j = 0; j < nx; ++j) {
            a[3*(i*nx+j)+1]    = sin((j-1) * PI2nx ) * -f30
        }
    }
}

    
prep(function(){
	nz = nx = size / 3;
});

test("Mesh Transform", function(){
	a = Array();
	for (var i=0; i < nx*nz*3; ++i)
		a[i] = 0;

	for (var i = 0; i < loops; ++i) {
    		morph(a, i/loops)
	}
});

endTest();