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# Copyright 2022 Frederico de Oliveira Linhares
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
CAMERA_ROTATION_SPEED = Math::PI/45;
BOX_ROTATION_SPEED = Math::PI/180;
TRANSLATION_SPEED = 0.5;
def init()
$texture = CandyGear::Texture.from_image("textures/color_texture.png");
$sprite = CandyGear::Sprite.new($texture, 0, 0, 1.0, 1.0);
$model = CandyGear::Model.new("models/cube.cgmodel", $texture);
$instances = [
CandyGear::Vector3D.new(5.0, 0.0, 0.0),
CandyGear::Vector3D.new(-5.0, 0.0, 0.0),
CandyGear::Vector3D.new(0.0, 5.0, 0.0),
CandyGear::Vector3D.new(0.0, -5.0, 0.0),
CandyGear::Vector3D.new(0.0, 0.0, 5.0),
CandyGear::Vector3D.new(0.0, 0.0, -5.0)
];
$instances_rotation = CandyGear::Rotation3D.new(0.0, 0.0, 0.0);
$camera_position = CandyGear::Vector3D.new(0.0, 0.0, 0.0);
$camera_rotation = CandyGear::Rotation3D.new(0.0, 0.0, 0.0);
CandyGear.camera_position = $camera_position
CandyGear.camera_rotation = $camera_rotation;
end
def key_down(key)
case key
when CandyGear::Key::I
$camera_rotation.rotate(CAMERA_ROTATION_SPEED, 0.0);
when CandyGear::Key::K
$camera_rotation.rotate(-CAMERA_ROTATION_SPEED, 0.0);
when CandyGear::Key::J
$camera_rotation.rotate(0.0, CAMERA_ROTATION_SPEED);
when CandyGear::Key::L
$camera_rotation.rotate(0.0, -CAMERA_ROTATION_SPEED);
when CandyGear::Key::E
$camera_position.translate(
CandyGear::Vector3D.new(0.0, 0.0, -TRANSLATION_SPEED), $camera_rotation);
when CandyGear::Key::D
$camera_position.translate(
CandyGear::Vector3D.new(0.0, 0.0, TRANSLATION_SPEED), $camera_rotation);
when CandyGear::Key::S
$camera_position.translate(
CandyGear::Vector3D.new(-TRANSLATION_SPEED, 0.0, 0.0), $camera_rotation);
when CandyGear::Key::F
$camera_position.translate(
CandyGear::Vector3D.new(TRANSLATION_SPEED, 0.0, 0.0), $camera_rotation);
end
end
def key_up(key)
end
def quit() = CandyGear.quit();
def tick()
$sprite.draw(1.0, 1.0, 101.0, 101.0);
$instances_rotation.rotate(0.0, BOX_ROTATION_SPEED);
$instances.each do |i|
$model.draw(i, $instances_rotation);
end
end
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