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# Copyright 2022-2023 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.
module Mode
class Demo
CAMERA_ROTATION_SPEED = Math::PI/45;
BOX_ROTATION_SPEED = Math::PI/360;
TRANSLATION_SPEED = 0.5;
def initialize()
texture = CandyGear::Texture.from_image("textures/color_texture.qoi");
mesh = CandyGear::StaticMesh.new("meshes/cube.cgmesh");
font = CandyGear::Font.new("/usr/share/fonts/TTF/HanaMinA.ttf", 30);
japanese_text = CandyGear::Texture.from_text(
font, "こんにちは世界!");
english_text = CandyGear::Texture.from_text(
font, "The quick brown fox jumps");
@color = CandyGear::Vector3D.new(0.8, 0.2, 0.2);
@sprite = CandyGear::Sprite.new(texture, 0, 0, 1.0, 1.0);
@rectangle = CandyGear::Vector4D.new(103.0, 1.0, 100.0, 100.0);
@sprite_position = CandyGear::Vector4D.new(1.0, 1.0, 100.0, 100.0);
@japanese_text_sprite = CandyGear::Sprite.new(
japanese_text, 0, 0, 1.0, 1.0);
@japanese_text_position = CandyGear::Vector4D.new(
204.0, 1.0, japanese_text.width, japanese_text.height);
@english_text_sprite = CandyGear::Sprite.new(
english_text, 0, 0, 1.0, 1.0);
@english_text_position = CandyGear::Vector4D.new(
204.0, japanese_text.height + 2.0,
english_text.width, english_text.height);
instance_positions = [
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);
@instances = [
CandyGear::StaticModel.new(
mesh, texture, instance_positions[0], @instances_rotation),
CandyGear::StaticModel.new(
mesh, texture, instance_positions[1], @instances_rotation),
CandyGear::StaticModel.new(
mesh, texture, instance_positions[2], @instances_rotation),
CandyGear::StaticModel.new(
mesh, texture, instance_positions[3], @instances_rotation),
CandyGear::StaticModel.new(
mesh, texture, instance_positions[4], @instances_rotation),
CandyGear::StaticModel.new(
mesh, texture, instance_positions[5], @instances_rotation)
]
@camera_position = CandyGear::Vector3D.new(0.0, 0.0, 0.0);
@camera_rotation = CandyGear::Rotation3D.new(0.0, 0.0, 0.0);
color = CandyGear::Vector3D.new(0.12, 0.12, 0.18);
@view1 = CandyGear::View2D.new(
CandyGear::Vector4D.new(0, 0, 1280, 240), 640, 120);
@view2 = CandyGear::View3D.new(
CandyGear::Vector4D.new(0, 240, 1280, 480), 1280, 480);
CandyGear.views = [@view1, @view2];
@view2.camera_position = @camera_position;
@view2.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 tick()
@sprite.draw(
@view1, @sprite_position.x, @sprite_position.y,
@sprite_position.w, @sprite_position.h);
@japanese_text_sprite.draw(
@view1, @japanese_text_position.x, @japanese_text_position.y,
@japanese_text_position.w, @japanese_text_position.h);
@english_text_sprite.draw(
@view1, @english_text_position.x, @english_text_position.y,
@english_text_position.w, @english_text_position.h);
@instances_rotation.rotate(0.0, BOX_ROTATION_SPEED);
@rectangle.draw_rectangle(@view1, @color);
@instances.each {_1.draw()};
end
end
end
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