diff options
Diffstat (limited to 'samples/07_advanced_rendering/08_splitscreen_camera/app')
| -rw-r--r-- | samples/07_advanced_rendering/08_splitscreen_camera/app/main.rb | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/samples/07_advanced_rendering/08_splitscreen_camera/app/main.rb b/samples/07_advanced_rendering/08_splitscreen_camera/app/main.rb new file mode 100644 index 0000000..9d22918 --- /dev/null +++ b/samples/07_advanced_rendering/08_splitscreen_camera/app/main.rb @@ -0,0 +1,396 @@ +class CameraMovement + attr_accessor :state, :inputs, :outputs, :grid + + #============================================================================================== + #Serialize + def serialize + {state: state, inputs: inputs, outputs: outputs, grid: grid } + end + + def inspect + serialize.to_s + end + + def to_s + serialize.to_s + end + + #============================================================================================== + #Tick + def tick + defaults + calc + render + input + end + + #============================================================================================== + #Default functions + def defaults + outputs[:scene].background_color = [0,0,0] + state.trauma ||= 0.0 + state.trauma_power ||= 2 + state.player_cyan ||= new_player_cyan + state.player_magenta ||= new_player_magenta + state.camera_magenta ||= new_camera_magenta + state.camera_cyan ||= new_camera_cyan + state.camera_center ||= new_camera_center + state.room ||= new_room + end + + def default_player x, y, w, h, sprite_path + state.new_entity(:player, + { x: x, + y: y, + dy: 0, + dx: 0, + w: w, + h: h, + damage: 0, + dead: false, + orientation: "down", + max_alpha: 255, + sprite_path: sprite_path}) + end + + def default_floor_tile x, y, w, h, sprite_path + state.new_entity(:room, + { x: x, + y: y, + w: w, + h: h, + sprite_path: sprite_path}) + end + + def default_camera x, y, w, h + state.new_entity(:camera, + { x: x, + y: y, + dx: 0, + dy: 0, + w: w, + h: h}) + end + + def new_player_cyan + default_player(0, 0, 64, 64, + "sprites/player/player_#{state.player_cyan.orientation}_standing.png") + end + + def new_player_magenta + default_player(64, 0, 64, 64, + "sprites/player/player_#{state.player_magenta.orientation}_standing.png") + end + + def new_camera_magenta + default_camera(0,0,720,720) + end + + def new_camera_cyan + default_camera(0,0,720,720) + end + + def new_camera_center + default_camera(0,0,1280,720) + end + + + def new_room + default_floor_tile(0,0,1024,1024,'sprites/rooms/camera_room.png') + end + + #============================================================================================== + #Calculation functions + def calc + calc_camera_magenta + calc_camera_cyan + calc_camera_center + calc_player_cyan + calc_player_magenta + calc_trauma_decay + end + + def center_camera_tolerance + return Math.sqrt(((state.player_magenta.x - state.player_cyan.x) ** 2) + + ((state.player_magenta.y - state.player_cyan.y) ** 2)) > 640 + end + + def calc_player_cyan + state.player_cyan.x += state.player_cyan.dx + state.player_cyan.y += state.player_cyan.dy + end + + def calc_player_magenta + state.player_magenta.x += state.player_magenta.dx + state.player_magenta.y += state.player_magenta.dy + end + + def calc_camera_center + timeScale = 1 + midX = (state.player_magenta.x + state.player_cyan.x)/2 + midY = (state.player_magenta.y + state.player_cyan.y)/2 + targetX = midX - state.camera_center.w/2 + targetY = midY - state.camera_center.h/2 + state.camera_center.x += (targetX - state.camera_center.x) * 0.1 * timeScale + state.camera_center.y += (targetY - state.camera_center.y) * 0.1 * timeScale + end + + + def calc_camera_magenta + timeScale = 1 + targetX = state.player_magenta.x + state.player_magenta.w - state.camera_magenta.w/2 + targetY = state.player_magenta.y + state.player_magenta.h - state.camera_magenta.h/2 + state.camera_magenta.x += (targetX - state.camera_magenta.x) * 0.1 * timeScale + state.camera_magenta.y += (targetY - state.camera_magenta.y) * 0.1 * timeScale + end + + def calc_camera_cyan + timeScale = 1 + targetX = state.player_cyan.x + state.player_cyan.w - state.camera_cyan.w/2 + targetY = state.player_cyan.y + state.player_cyan.h - state.camera_cyan.h/2 + state.camera_cyan.x += (targetX - state.camera_cyan.x) * 0.1 * timeScale + state.camera_cyan.y += (targetY - state.camera_cyan.y) * 0.1 * timeScale + end + + def calc_player_quadrant angle + if angle < 45 and angle > -45 and state.player_cyan.x < state.player_magenta.x + return 1 + elsif angle < 45 and angle > -45 and state.player_cyan.x > state.player_magenta.x + return 3 + elsif (angle > 45 or angle < -45) and state.player_cyan.y < state.player_magenta.y + return 2 + elsif (angle > 45 or angle < -45) and state.player_cyan.y > state.player_magenta.y + return 4 + end + end + + def calc_camera_shake + state.trauma + end + + def calc_trauma_decay + state.trauma = state.trauma * 0.9 + end + + def calc_random_float_range(min, max) + rand * (max-min) + min + end + + #============================================================================================== + #Render Functions + def render + render_floor + render_player_cyan + render_player_magenta + if center_camera_tolerance + render_split_camera_scene + else + render_camera_center_scene + end + end + + def render_player_cyan + outputs[:scene].sprites << {x: state.player_cyan.x, + y: state.player_cyan.y, + w: state.player_cyan.w, + h: state.player_cyan.h, + path: "sprites/player/player_#{state.player_cyan.orientation}_standing.png", + r: 0, + g: 255, + b: 255} + end + + def render_player_magenta + outputs[:scene].sprites << {x: state.player_magenta.x, + y: state.player_magenta.y, + w: state.player_magenta.w, + h: state.player_magenta.h, + path: "sprites/player/player_#{state.player_magenta.orientation}_standing.png", + r: 255, + g: 0, + b: 255} + end + + def render_floor + outputs[:scene].sprites << [state.room.x, state.room.y, + state.room.w, state.room.h, + state.room.sprite_path] + end + + def render_camera_center_scene + zoomFactor = 1 + outputs[:scene].width = state.room.w + outputs[:scene].height = state.room.h + + maxAngle = 10.0 + maxOffset = 20.0 + angle = maxAngle * calc_camera_shake * calc_random_float_range(-1,1) + offsetX = 32 - (maxOffset * calc_camera_shake * calc_random_float_range(-1,1)) + offsetY = 32 - (maxOffset * calc_camera_shake * calc_random_float_range(-1,1)) + + outputs.sprites << {x: (-state.camera_center.x - offsetX)/zoomFactor, + y: (-state.camera_center.y - offsetY)/zoomFactor, + w: outputs[:scene].width/zoomFactor, + h: outputs[:scene].height/zoomFactor, + path: :scene, + angle: angle, + source_w: -1, + source_h: -1} + outputs.labels << [128,64,"#{state.trauma.round(1)}",8,2,255,0,255,255] + end + + def render_split_camera_scene + outputs[:scene].width = state.room.w + outputs[:scene].height = state.room.h + render_camera_magenta_scene + render_camera_cyan_scene + + angle = Math.atan((state.player_magenta.y - state.player_cyan.y)/(state.player_magenta.x- state.player_cyan.x)) * 180/Math::PI + output_split_camera angle + + end + + def render_camera_magenta_scene + zoomFactor = 1 + offsetX = 32 + offsetY = 32 + + outputs[:scene_magenta].sprites << {x: (-state.camera_magenta.x*2), + y: (-state.camera_magenta.y), + w: outputs[:scene].width*2, + h: outputs[:scene].height, + path: :scene} + + end + + def render_camera_cyan_scene + zoomFactor = 1 + offsetX = 32 + offsetY = 32 + outputs[:scene_cyan].sprites << {x: (-state.camera_cyan.x*2), + y: (-state.camera_cyan.y), + w: outputs[:scene].width*2, + h: outputs[:scene].height, + path: :scene} + end + + def output_split_camera angle + #TODO: Clean this up! + quadrant = calc_player_quadrant angle + outputs.labels << [128,64,"#{quadrant}",8,2,255,0,255,255] + if quadrant == 1 + set_camera_attributes(w: 640, h: 720, m_x: 640, m_y: 0, c_x: 0, c_y: 0) + + elsif quadrant == 2 + set_camera_attributes(w: 1280, h: 360, m_x: 0, m_y: 360, c_x: 0, c_y: 0) + + elsif quadrant == 3 + set_camera_attributes(w: 640, h: 720, m_x: 0, m_y: 0, c_x: 640, c_y: 0) + + elsif quadrant == 4 + set_camera_attributes(w: 1280, h: 360, m_x: 0, m_y: 0, c_x: 0, c_y: 360) + + end + end + + def set_camera_attributes(w: 0, h: 0, m_x: 0, m_y: 0, c_x: 0, c_y: 0) + state.camera_cyan.w = w + 64 + state.camera_cyan.h = h + 64 + outputs[:scene_cyan].width = (w) * 2 + outputs[:scene_cyan].height = h + + state.camera_magenta.w = w + 64 + state.camera_magenta.h = h + 64 + outputs[:scene_magenta].width = (w) * 2 + outputs[:scene_magenta].height = h + outputs.sprites << {x: m_x, + y: m_y, + w: w, + h: h, + path: :scene_magenta} + outputs.sprites << {x: c_x, + y: c_y, + w: w, + h: h, + path: :scene_cyan} + end + + def add_trauma amount + state.trauma = [state.trauma + amount, 1.0].min + end + + def remove_trauma amount + state.trauma = [state.trauma - amount, 0.0].max + end + #============================================================================================== + #Input functions + def input + input_move_cyan + input_move_magenta + + if inputs.keyboard.key_down.t + add_trauma(0.5) + elsif inputs.keyboard.key_down.y + remove_trauma(0.1) + end + end + + def input_move_cyan + if inputs.keyboard.key_held.up + state.player_cyan.dy = 5 + state.player_cyan.orientation = "up" + elsif inputs.keyboard.key_held.down + state.player_cyan.dy = -5 + state.player_cyan.orientation = "down" + else + state.player_cyan.dy *= 0.8 + end + if inputs.keyboard.key_held.left + state.player_cyan.dx = -5 + state.player_cyan.orientation = "left" + elsif inputs.keyboard.key_held.right + state.player_cyan.dx = 5 + state.player_cyan.orientation = "right" + else + state.player_cyan.dx *= 0.8 + end + + outputs.labels << [128,512,"#{state.player_cyan.x.round()}",8,2,0,255,255,255] + outputs.labels << [128,480,"#{state.player_cyan.y.round()}",8,2,0,255,255,255] + end + + def input_move_magenta + if inputs.keyboard.key_held.w + state.player_magenta.dy = 5 + state.player_magenta.orientation = "up" + elsif inputs.keyboard.key_held.s + state.player_magenta.dy = -5 + state.player_magenta.orientation = "down" + else + state.player_magenta.dy *= 0.8 + end + if inputs.keyboard.key_held.a + state.player_magenta.dx = -5 + state.player_magenta.orientation = "left" + elsif inputs.keyboard.key_held.d + state.player_magenta.dx = 5 + state.player_magenta.orientation = "right" + else + state.player_magenta.dx *= 0.8 + end + + outputs.labels << [128,360,"#{state.player_magenta.x.round()}",8,2,255,0,255,255] + outputs.labels << [128,328,"#{state.player_magenta.y.round()}",8,2,255,0,255,255] + end +end + +$camera_movement = CameraMovement.new + +def tick args + args.outputs.background_color = [0,0,0] + $camera_movement.inputs = args.inputs + $camera_movement.outputs = args.outputs + $camera_movement.state = args.state + $camera_movement.grid = args.grid + $camera_movement.tick +end |