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Contents
describe("Jax.MatrixStack", function() {
var stack;
beforeEach(function() { stack = new Jax.MatrixStack(); });
it('should return a model matrix', function() { expect(stack.getModelMatrix()).not.toBeUndefined(); });
it('should return a view matrix', function() { expect(stack.getViewMatrix()).not.toBeUndefined(); });
it('should return a proj matrix', function() { expect(stack.getProjectionMatrix()).not.toBeUndefined(); });
describe("with a pushed matrix", function() {
beforeEach(function() { stack.push(); });
it('should return a model matrix', function() { expect(stack.getModelMatrix()).not.toBeUndefined(); });
it('should return a view matrix', function() { expect(stack.getViewMatrix()).not.toBeUndefined(); });
it('should return a proj matrix', function() { expect(stack.getProjectionMatrix()).not.toBeUndefined(); });
describe("translate", function() {
beforeEach(function() { stack.loadViewMatrix(mat4.translate(Jax.IDENTITY_MATRIX, [1,1,1], mat4.create())); });
it("should not be an identity matrix", function() { expect(stack.getViewMatrix()).not.toEqualMatrix(Jax.IDENTITY_MATRIX); });
it("should produce coords relative to eye", function() {
var vec = mat4.multiplyVec3(stack.getInverseViewMatrix(), [0,0,0]);
expect(vec).toEqualVector([-1,-1,-1]);
});
});
});
});
Version data entries
9 entries across 9 versions & 1 rubygems