}
}, scene.timeUntilNextStep());
}
private static void render() {
CanvasRenderingContext2D context = (CanvasRenderingContext2D)canvas.getContext("2d");
context.setFillStyle("white");
context.setStrokeStyle("grey");
context.fillRect(0, 0, 600, 600);
context.save();
context.translate(0, 600);
context.scale(1, -1);
context.scale(100, 100);
context.setLineWidth(0.01);
for (Body body = scene.getWorld().getBodyList(); body != null; body = body.getNext()) {
Vec2 center = body.getPosition();
context.save();
context.translate(center.x, center.y);
context.rotate(body.getAngle());
for (Fixture fixture = body.getFixtureList(); fixture != null; fixture = fixture.getNext()) {
Shape shape = fixture.getShape();
if (shape.getType() == ShapeType.CIRCLE) {
CircleShape circle = (CircleShape)shape;
context.beginPath();
context.arc(circle.m_p.x, circle.m_p.y, circle.getRadius(), 0, Math.PI * 2, true);
context.closePath();
context.stroke();
} else if (shape.getType() == ShapeType.POLYGON) {
PolygonShape poly = (PolygonShape)shape;
Vec2[] vertices = poly.getVertices();
context.beginPath();
context.moveTo(vertices[0].x, vertices[0].y);
for (int i = 1; i < poly.getVertexCount(); ++i) {
context.lineTo(vertices[i].x, vertices[i].y);
}
context.closePath();
context.stroke();
}
}
context.restore();
}
context.restore();
}