Mothback/code/entities/player.lua

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Lua
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Player = Entity:New(x,y)
function Player:New(x,y)
local o = Entity:New(x,y)
o.type = "player"
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-- physics
o.moveSpeed = 1.3 -- gameworld pixels
o.zeroSpeed = 0.01 -- gameworld pixels
o.move_x = 0 -- gameworld pixels
o.airFriction = 0.01 -- gameworld pixels
o.groundFriction = 0.3 -- gameworld pixels
o.jumpImpulse = 3.5 -- gameworld pixels
o.coyoteAmount = 5 -- int
o.coyoteValue = 5 -- frames
o.dashCooldownTime = 0.1 -- seconds
o.dashCooldownTimer = 0 -- seconds
-- dash values
o.dashTimer = 0 -- seconds
o.dashTime = 0.15 -- seconds
o.dashDistance = 40 -- gameworld pixels
o.dashSpeed = o.dashDistance / (o.dashTime*60) -- pixels
o.dashCount = 1 -- int
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o.dashAmount = 10 -- int
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-- hook values
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o.hookDistance = 80
o.hookedDistance = 80
o.hookAnchor = {
x = nil,
y = nil
}
o.boxCollision = {
from = {x = -8, y = -16}, --gameworld pixels
to = {x = 8, y = 0} -- gameworld pixels
}
o.lightRange = 10 -- screen pixels
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-- status
o.isDashing = false
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o.isJumping = false
o.isHooked = false
o.isOnGround = true
o.isOnLadder = false
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o.canJump = true
o.canFall = true
o.canFriction = true
o.maskType = animation.moth_mask
o.anchorRespawn = {
x = o.pos.x,
y = o.pos.y
}
-- sprite
o.target_offset = {x = 0, y = 0}
o.body = Animation:New(animation.nancy.idle)
o.mask = Animation:New(animation.moth_mask.idle)
o:centerOffset(o.body)
o:getBoundingBox(o.body,0,3,-1,-3)
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-- lights
o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange)
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table.insert(LoadedObjects.Entities,o)
o.id = #LoadedObjects.Entities
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setmetatable(o, self)
self.__index = self
return o
end
function Player:Smart()
self:LightAdjust(self.target_offset.x,self.target_offset.y)
-- reset coyoteValue
if self.isOnGround then
self.coyoteValue = self.coyoteAmount
elseif self.coyoteValue > 0 then
self.coyoteValue = self.coyoteValue - 1
end
if self.dashTimer <= 0 then
-- horizontal movement
if Keybind:CheckDown(Keybind.move.left) then
self.move_x = -self.moveSpeed
elseif Keybind:CheckDown(Keybind.move.right) then
self.move_x = self.moveSpeed
end
-- jump if on ground (coyotevalue)
if Keybind:CheckDown(Keybind.move.jump) then
if self.coyoteValue > 0 then
self.vel.y = -self.jumpImpulse
self.coyoteValue = 0
end
end
end
-- dash timer
self.dashCooldownTimer = math.max(0,self.dashCooldownTimer - current_dt)
-- try to dash
if Keybind:CheckDown(Keybind.move.dash) then
if self.dashCooldownTimer == 0
and not self.isDashing
and self.dashCount > 0 then
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self:Unhook()
-- state player
self.isDashing = true
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self.dashCount = self.dashCount - 1
-- get dash direction
local vertical = 0
if Keybind:CheckDown(Keybind.move.down) then vertical = vertical + 1 end
if Keybind:CheckDown(Keybind.move.up) then vertical = vertical - 1 end
local horizontal = 0
if Keybind:CheckDown(Keybind.move.right) then horizontal = horizontal + 1 end
if Keybind:CheckDown(Keybind.move.left) then horizontal = horizontal - 1 end
-- if no direction, then dash forward
if horizontal == 0 and vertical == 0 then
horizontal = self.sprite_flip.x
end
-- set dash values
self.dashDirection = GetAngleFromVector(horizontal, vertical)
self.dashTimer = self.dashTime
end
else
-- not dashing!
self.isDashing = false
end
if Keybind:CheckPressed(Keybind.move.hook) then
if self.isHooked then
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self:Unhook()
else
local anchor = self:CheckNearest("decoration",self.hookDistance)
if anchor then
self.isHooked = true
self.hookAnchor = {
x = anchor.pos.x,
y = anchor.pos.y
}
end
end
end
end
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function Player:DoPhysics()
if self.dashTimer <= 0 then
if self.isOnGround then
self.vel.x = self.vel.x * (1-self.groundFriction)
else
self.vel.x = self.vel.x * (1-self.airFriction)
end
if math.abs(self.vel.x) < self.zeroSpeed then self.vel.x = 0 end
end
-- reset state
self.canFall = true
self.isOnGround = false
-- adjust timers
self.dashTimer = self.dashTimer - current_dt
-- DASH STATE
if self.dashTimer > 0 then
self.canFall = false
-- dash particle
local particle_data = {
animation = self.body,
sprite_tint = HEX2RGB("#fed100"),
sprite_alpha = 0.5,
sprite_flip = {
x = self.sprite_flip.x,
y = self.sprite_flip.y
}
}
Particle:New(self.pos.x,self.pos.y,particle_data)
self.dashCooldownTimer = self.dashCooldownTime
-- dash movement
self.vel.x = self.dashSpeed * math.cos(self.dashDirection)
self.vel.y = self.dashSpeed * math.sin(self.dashDirection)
end
-- hook state
if self.isHooked then
local hook = Vector(self.pos.x, self.pos.y, self.hookAnchor.x, self.hookAnchor.y)
if GetVectorValue(hook) > self.hookedDistance then
local particle_data = {
animation = self.body,
sprite_tint = HEX2RGB("#fed100"),
sprite_alpha = 0.5,
sprite_flip = {
x = self.sprite_flip.x,
y = self.sprite_flip.y
}
}
Particle:New(self.pos.x,self.pos.y,particle_data)
local hook_angle = GetAngleFromVector(hook[1],hook[2])-math.rad(180)
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if Keybind:CheckDown(Keybind.move.right) then hook_angle = hook_angle - math.rad(0.05) end
if Keybind:CheckDown(Keybind.move.left) then hook_angle = hook_angle + math.rad(0.05) end
local pos_x = self.hookAnchor.x + self.hookedDistance * math.cos(hook_angle)
local pos_y = self.hookAnchor.y + self.hookedDistance * math.sin(hook_angle)
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self.vel.x = self.vel.x + pos_x - self.pos.x
self.vel.y = self.vel.y + pos_y - self.pos.y
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self.pos.x = pos_x
self.pos.y = pos_y
end
end
if self.canFall then
-- not in dash
self.dashTimer = 0
self.vel.y = self.vel.y + gravity
end
-- horizontal collision
if not self:isCollidingAt(self.pos.x + self.vel.x + self.move_x, self.pos.y, LoadedObjects.Collisions) then
self.pos.x = self.pos.x + self.vel.x + self.move_x
else
self.vel.x = 0
end
-- vertical collision
if not self:isCollidingAt(self.pos.x, self.pos.y + self.vel.y, LoadedObjects.Collisions) then
self.pos.y = self.pos.y + self.vel.y
else
if self.vel.y > 0 then
self.isOnGround = true
self.dashCount = self.dashAmount
end
self.vel.y = 0
end
-- if u collision w hazard, respawn
if self:isCollidingAt(self.pos.x, self.pos.y, LoadedObjects.Hazards) then
self:Respawn()
end
end
function Player:Respawn()
self.pos.x = self.anchorRespawn.x
self.pos.y = self.anchorRespawn.y
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end
function Player:HandleAnimation()
-- flip sprite to look in the direction is moving
if self.move_x ~= 0 then self.sprite_flip.x = math.sign(self.move_x) end
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-- animation priority
self.body = self.body:ChangeTo(animation.nancy.fall)
if self.vel.y > 1.25 then
self.mask = self.mask:ChangeTo(self.maskType.fall)
elseif self.vel.y < 0 then
self.body = self.body:ChangeTo(animation.nancy.jump)
self.mask = self.mask:ChangeTo(self.maskType.jump)
elseif self.vel.x + self.move_x ~= 0 then
self.body = self.body:ChangeTo(animation.nancy.run)
self.mask = self.mask:ChangeTo(self.maskType.run)
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else
self.body = self.body:ChangeTo(animation.nancy.idle)
self.mask = self.mask:ChangeTo(self.maskType.idle)
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end
-- special case: idle animation gets slower by time
if self.body.anim_path == animation.nancy.idle.path then
if self.body.anim_speed < 0.5 then self.body.anim_speed = self.body.anim_speed + 0.001 end
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end
if self.isHooked then
love.graphics.line(
-Camera.pos.x + self.pos.x,
-Camera.pos.y + self.pos.y,
-Camera.pos.x + self.hookAnchor.x,
-Camera.pos.y + self.hookAnchor.y
)
end
self.body:Animate()
self:Draw(self.body)
if self.dashCount > 0 then
self:Draw(self.mask)
end
self.move_x = 0
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end
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function Player:Unhook()
self.isHooked = false
self.hookAnchor = nil
end