diff options
Diffstat (limited to 'enemies.lua')
| -rw-r--r-- | enemies.lua | 470 |
1 files changed, 234 insertions, 236 deletions
diff --git a/enemies.lua b/enemies.lua index de28adb..0168e1c 100644 --- a/enemies.lua +++ b/enemies.lua @@ -1,20 +1,62 @@ enemies = {} -basicenemysprites = {14, 30, 46, 62} --these are all possible 8x8 basic enemy sprites - ---Basic, small 8x8 customizable enemy. Very reusable! - -function addbasicenemy(x, y, sprite, health, speed) - local enemy = {} - enemy.x = x - enemy.y = y - enemy.w = 8 - enemy.h = 8 - enemy.inv = -1 - enemy.sprite = sprite - enemy.health = health - enemy.shootcooldown = rnd(2)+1 - enemy.speed = speed +--universal functions: +function enemyshot(enemy) + --explode + explosion(enemy.x+rnd(enemy.w), enemy.y+rnd(enemy.h)) + enemy.inv = 0.5 + --and reduce health + enemy.health -= 1 + if enemy.health > 0 then + sfx(16, 2) + end +end + +function enemycollide(enemy, object) --f this enemy collides with something, do damage to both it and itself. also EXPLODE!!! + if enemy.x <= object.x+object.w and enemy.x+enemy.w >= object.x and enemy.y <= object.y +object.h and enemy.y+enemy.h >= object.y and object.inv < 0 then + object:shot() + explosion(enemy.x+4+rnd(enemy.w-4), enemy.y+4*rnd(enemy.h-4)) + enemy.health -= 2 + end +end + +function enemydie(enemy, sound) + for i = 1, rnd(enemy.h)+6, 1 do + addcircle(enemy.x+rnd(enemy.w), enemy.y+rnd(enemy.h), rnd(4)-2, -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) + end + if rnd(100) > 95 then + addpickup(enemy.x+rnd(enemy.w), enemy.y+rnd(enemy.h)) + end + if shake < 3 then + shake = enemy.h/2 + end + sfx(sound, 2) + del(enemies, enemy) +end + +function enemymisc(enemy) --misc stuff every enemy needs + enemy.shootcooldown -= 1/60 + enemy.inv -= 1/60 + for i = 1, #players, 1 do + enemy.collide(enemy, players[i]) + end + if enemy.x < -enemy.w then + del(enemies, enemy) -- delete enemy if off screen + end +end + +function addbasicenemy(x, y, speed) --basic small weak enemy + local enemy = { + x = x, + y = y, + w = 8, + h = 8, + inv = -1, + sprite = rnd({14, 30, 46, 62}), --these are all possible 8x8 basic enemy sprites + health = 1, + shootcooldown = rnd(2)+1, + speed = speed + } function enemy.draw(enemy) local sprite = enemy.sprite @@ -26,31 +68,13 @@ function addbasicenemy(x, y, sprite, health, speed) end end - function enemy.shot(enemy) - --explode - explosion(enemy.x, enemy.y) - enemy.inv = 0.5 - --and reduce health - enemy.health -= 1 - if enemy.health > 0 then - sfx(16, 2) - end - end + enemy.shot = enemyshot - function enemy.collide(object) --f this enemy collides with something, do damage to both it and itself. also EXPLODE!!! - if enemy.x+4 >= object.x and enemy.x+4 <= object.x+object.w and enemy.y+4 >= object.y and enemy.y+4 <= object.y+object.h and object.inv < 0 then - object:shot() - explosion(enemy.x+4, enemy.y+4) - enemy.health -= 2 - end - end + enemy.collide = enemycollide function enemy.update() enemy.x -= speed enemy.y += sin(time()*speed)*speed - enemy.shootcooldown -= 1/60 - enemy.inv -= 1/60 - foreach(players, enemy.collide) if enemy.shootcooldown < 0 then enemy.shootcooldown = 0.5 + rnd(1.5) if enemy.x < 129 then @@ -58,21 +82,9 @@ function addbasicenemy(x, y, sprite, health, speed) sfx(15, 2) -- play shoot sound if on screen end end - if enemy.x < -8 then - del(enemies, enemy) -- delete enemy if off screen - end + enemymisc(enemy) if enemy.health <= 0 then -- die!!!!! - for i = 1, rnd(6)+6, 1 do - addcircle(enemy.x+rnd(8), enemy.y+rnd(8), rnd(4)-2, -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) - end - if rnd(100) > 95 then - addpickup(enemy.x, enemy.y) - end - if shake < 3 then - shake = 2.5 - end - sfx(17, 2) - del(enemies, enemy) + enemydie(enemy,17) end end @@ -82,23 +94,24 @@ end --SHOOTER THAT SHOOTS BIG WALLS!!!!!! function addwallshooter(x, shootup, health, speed, offset, bulletspeed) - local enemy = {} - enemy.x = x - enemy.y = 119 - enemy.sprite = 60 - enemy.offset = offset or rnd() + local enemy = { + x = x, + y = 119, + sprite = 60, + offset = offset or rnd(), + w = 8, + h = 8, + inv = -1, + health = health, + shootcooldown = 0, + speed = speed, + shoottoggle = true, + bulletspeed = bulletspeed or 1, + } if shootup then enemy.y = 1 enemy.sprite = 44 end - enemy.w = 8 - enemy.h = 8 - enemy.inv = -1 - enemy.health = health - enemy.shootcooldown = 0 - enemy.speed = speed - enemy.shoottoggle = true - enemy.bulletspeed = bulletspeed or 1 function enemy.draw(enemy) if enemy.inv < 0 or ceil(enemy.inv*10%2) == 1 then @@ -106,28 +119,12 @@ function addwallshooter(x, shootup, health, speed, offset, bulletspeed) end end - function enemy.shot(enemy) - --explode - explosion(enemy.x, enemy.y) - --and reduce health - enemy.health -= 1 - enemy.inv = 0.5 - sfx(16, 2) - end + enemy.shot = enemyshot - function enemy.collide(object) - if enemy.x+4 >= object.x and enemy.x+4 <= object.x+object.w and enemy.y+4 >= object.y and enemy.y+4 <= object.y+object.h and object.inv < 0 then - object:shot() - explosion(enemy.x, enemy.y) - enemy.health -= 2 - end - end + enemy.collide = enemycollide function enemy.update() enemy.x -= speed - enemy.shootcooldown -= 1/60 - enemy.inv -= 1/60 - foreach(players, enemy.collide) if enemy.shootcooldown < 0 then if (t()+enemy.offset)%1>0.5/enemy.bulletspeed then if not enemy.shoottoggle then --implemented a toggle so that the sound effect for firing gets played only once. @@ -144,21 +141,9 @@ function addwallshooter(x, shootup, health, speed, offset, bulletspeed) enemy.shoottoggle = false end end - if enemy.x < -8 then - del(enemies, enemy) --if off screen, get deleted nerd - end + enemymisc(enemy) if enemy.health <= 0 then - for i = 1, rnd(6)+6, 1 do - addcircle(enemy.x+rnd(8), enemy.y+rnd(8), rnd(4)-2, -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) - end - if rnd(100) > 95 then - addpickup(enemy.x, enemy.y) - end - if shake < 3 then - shake = 2.5 - end - sfx(17, 2) - del(enemies, enemy) + enemydie(enemy,17) end end @@ -168,49 +153,33 @@ end --Big ol fella that shoots CIRCLES of BULLETS!!!!!! function addballshooter(x, y, health, speed) - local enemy = {} - enemy.x = x - enemy.y = y - enemy.offset = rnd() - enemy.w = 8*3 - enemy.h = 8*2 - enemy.inv = -1 - enemy.health = health - enemy.shootcooldown = 0 - enemy.speed = speed + local enemy = { + x = x, + y = y, + offset = rnd(), + w = 8*3, + h = 8*2, + inv = -1, + health = health, + shootcooldown = 0, + speed = speed + } function enemy.draw(enemy) if enemy.inv < 0 or ceil(enemy.inv*10%2) == 1 then local sprite = 27 - local damaged = (enemy.health < 7) - if damaged then sprite = 11 end - spr(sprite, enemy.x, enemy.y, 3, 1, false, not damaged) - spr(sprite, enemy.x, enemy.y+8, 3, 1, false, damaged) + if health < 7 then sprite = 11 end + spr(sprite, enemy.x, enemy.y, 3, 1, false, true) + spr(sprite, enemy.x, enemy.y+8, 3, 1) end end - function enemy.shot(enemy) - --explode - explosion(enemy.x+rnd(32), enemy.y+rnd(32)) - --and reduce health - enemy.health -= 1 - enemy.inv = 0.5 - sfx(16, 2) - end + enemy.shot = enemyshot - function enemy.collide(object) - if enemy.x+4 >= object.x and enemy.x+4 <= object.x+object.w and enemy.y+4 >= object.y and enemy.y+4 <= object.y+object.h and object.inv < 0 then - object:shot() - explosion(enemy.x+4, enemy.y+4, 8*4, 8*2) - enemy.health -= 3 - end - end + enemy.collide = enemycollide function enemy.update() enemy.x -= speed - enemy.shootcooldown -= 1/60 - enemy.inv -= 1/60 - foreach(players, enemy.collide) if enemy.shootcooldown < 0 then enemy.shootcooldown = 2 if enemy.x < 129 then @@ -222,25 +191,12 @@ function addballshooter(x, y, health, speed) sfx(19, 3) -- play shoot sound end end - if enemy.x < -24 then - del(enemies, enemy) --delete enemy if off screen - end + enemymisc(enemy) if enemy.health < 8 then --smokes when damaged! addcircle(enemy.x+20+rnd(8), enemy.y+4+rnd(8), -0.5, -0.2, rnd(8), rnd(1)+0.7, 5, 0) end if enemy.health <= 0 then - for i = 1, 24, 1 do - addcircle(enemy.x+rnd(8), enemy.y+rnd(8), rnd(4)-2, -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) - end - if rnd(100) > 70 then - addpickup(enemy.x, enemy.y) - end - if shake < 3 then - shake = 12 - end - sfx(20, 3) - explosion(enemy.x+4, enemy.y+4, 8*4, 8*2) - del(enemies, enemy) + enemydie(enemy,20) end end @@ -248,16 +204,17 @@ function addballshooter(x, y, health, speed) end function addtargetingenemy(x, y, health, speed) - local enemy = {} - enemy.x = x - enemy.y = y - enemy.w = 16 - enemy.h = 8 - enemy.inv = -1 - enemy.health = health - enemy.shootcooldown = rnd(0.4)+0.2 - enemy.speed = speed - enemy.bulletcounter = 0 + local enemy = { + x = x, + y = y, + w = 16, + h = 8, + inv = -1, + health = health, + shootcooldown = rnd(0.4)+0.2, + speed = speed, + bulletcounter = 0 + } function enemy.draw(enemy) if enemy.inv < 0 or ceil(enemy.inv*10%2) == 1 then @@ -265,30 +222,12 @@ function addtargetingenemy(x, y, health, speed) end end - function enemy.shot(enemy) - --explode - explosion(enemy.x, enemy.y) - enemy.inv = 0.5 - --and reduce health - enemy.health -= 1 - if enemy.health > 0 then - sfx(16, 2) - end - end + enemy.shot = enemyshot - function enemy.collide(object) --f this enemy collides with something, do damage to both it and itself. also EXPLODE!!! - if enemy.x+4 >= object.x and enemy.x+4 <= object.x+object.w and enemy.y+4 >= object.y and enemy.y+4 <= object.y+object.h and object.inv < 0 then - object:shot() - explosion(enemy.x+4, enemy.y+4) - enemy.health -= 2 - end - end + enemy.collide = enemycollide function enemy.update() enemy.x -= speed - enemy.shootcooldown -= 1/60 - enemy.inv -= 1/60 - foreach(players, enemy.collide) if enemy.shootcooldown < 0 and currentwavetime%1.5>1.2 then enemy.shootcooldown = 0.1 enemy.bulletcounter += 1 @@ -301,22 +240,9 @@ function addtargetingenemy(x, y, health, speed) sfx(15, 2) -- play shoot sound if on screen end end - if enemy.x < -16 then - del(enemies, enemy) -- delete enemy if off screen - end + enemymisc(enemy) if enemy.health <= 0 then -- die!!!!! - for i = 1, rnd(6)+6, 1 do - addcircle(enemy.x+rnd(8), enemy.y+rnd(16), rnd(4)-2, -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) - end - if rnd(100) > 85 then - addpickup(enemy.x, enemy.y) - end - if shake < 3 then - shake = 3.5 - end - sfx(17, 2) - explosion(enemy.x, enemy.y, 16, 8) - del(enemies, enemy) + enemydie(enemy,17) end end @@ -324,50 +250,35 @@ function addtargetingenemy(x, y, health, speed) end function addlasershooter(x, y, speed, stay) - local enemy = {} - enemy.x = x+128 - enemy.y = y + local enemy = { + x = x+128, + y = y, + w = 8*4, + h = 8*4, + speed = speed, + stay = stay, + inv = -1, + health = 36 * #players, -- double health if 2 player + lasertimer = 0, + firedlaser = false, + shootcooldown = 0, + moveoffset = 0, + sinspeed = 4 + } if stay then enemy.y = 64-20 end - enemy.w = 8*4 - enemy.h = 8*4 - enemy.speed = speed - enemy.stay = stay - enemy.inv = -1 - enemy.health = 36 - enemy.lasertimer = 0 - enemy.firedlaser = false - enemy.shootcooldown = 0 - enemy.moveoffset = 0 - enemy.sinspeed = 4 function enemy.draw(enemy) if enemy.inv < 0 or ceil(enemy.inv*10%2) == 1 then - local damaged = (enemy.health < 12) local sprite = 64 - if damaged then sprite = 96 end - spr(sprite,enemy.x+0,enemy.y+4,4,2, false, damaged) - spr(sprite,enemy.x+0,enemy.y+20,4,2,false,not damaged) + if enemy.health < 12 then sprite = 96 end + spr(sprite,enemy.x+0,enemy.y+4,4,2) + spr(sprite,enemy.x+0,enemy.y+20,4,2,false,true) end end - function enemy.shot(enemy) - --explode - explosion(enemy.x, enemy.y) - enemy.inv = 0.5 - --and reduce health - enemy.health -= 1 - if enemy.health > 0 then - sfx(16, 2) - end - end + enemy.shot = enemyshot - function enemy.collide(object) --f this enemy collides with something, do damage to both it and itself. also EXPLODE!!! - if enemy.x+4 >= object.x and enemy.x+4 <= object.x+object.w and enemy.y+4 >= object.y and enemy.y+4 <= object.y+object.h and object.inv < 0 then - object:shot() - explosion(enemy.x+4, enemy.y+4) - enemy.health -= 2 - end - end + enemy.collide = enemycollide function enemy.update() if enemy.x > 90 or (not stay and enemy.lasertimer > 4) then --enemy lerps into place when first added, and if they leave they speed up @@ -381,7 +292,6 @@ function addlasershooter(x, y, speed, stay) if enemy.lasertimer > 4 and stay then enemy.y = 64-20 + sin(enemy.moveoffset+enemy.lasertimer/enemy.sinspeed) * 40 - enemy.shootcooldown -= 1/60 if enemy.shootcooldown < 0 then enemy.shootcooldown = 0.18 addbullet(enemy.x+6, enemy.y+20, -1, rnd(2)-1, true, 2) --shoooot!!!!! @@ -394,6 +304,9 @@ function addlasershooter(x, y, speed, stay) addlaser(enemy.x+6, enemy.y+20, 10) enemy.moveoffset = rnd({0,0.5}) --add offset so not moving in same direction each time enemy.sinspeed = rnd({4,4,4,4,4,4,4,4,4,4,4,4,1,8,2,2,2,2}) --add differing speeds to sin up and down randomly + if enemy.health < 15*#players then + enemy.sinspeed /= 2 + end end enemy.firedlaser = true enemy.lasertimer += 1/60 @@ -407,26 +320,111 @@ function addlasershooter(x, y, speed, stay) addcircle(enemy.x+12+rnd(8), enemy.y+12+rnd(8), -0.5, -0.2, rnd(8), rnd(1)+0.7, 5, 0) end - enemy.inv -= 1/60 - foreach(players, enemy.collide) - - if enemy.x < -32 then - del(enemies, enemy) -- delete enemy if off screen - end + enemymisc(enemy) if enemy.health <= 0 then -- die!!!!! - explosion(enemy.x,enemy.y,32,32) - for i = 1, 40, 1 do - addcircle(enemy.x+rnd(32), enemy.y+rnd(32), sin(t()*2), -rnd(2)-1, 1, 2, rnd({3, 11, 9}), -0.1) - end + enemydie(enemy,26) addpickup(enemy.x+rnd(32), enemy.y+rnd(32), "health") addpickup(enemy.x+rnd(32), enemy.y+rnd(32)) addpickup(enemy.x+rnd(32), enemy.y+rnd(32)) - if shake < 3 then - shake = 6 + end + end + + add(enemies, enemy) +end + +function addwallboss(x, y, length, speed, stay, move) + local enemy = { + stay = stay or false, + move = move or 1, + x = x, + y = y, + length = mid(4,length,16), + w = 24, + h = 8*length, + inv = -1, + health = 10*length*#players, + shootcooldown = 3, + speed = speed, + bulletfired = {}, + } + + for i = 1, length, 1 do + enemy.bulletfired[i] = 0 + end + + function enemy.draw(enemy) + local dmg = 0 + if enemy.health < length * 4 * #players then + dmg = 16 + end + if enemy.inv < 0 or ceil(enemy.inv*10%2) == 1 then + for i = 2, length-1, 1 do + spr(93+enemy.bulletfired[i]+dmg, enemy.x, -8+enemy.y+i*8) + if i < length-2 then + spr(79+((i%3)%2*16)+dmg*2, enemy.x+8, -8+enemy.y+i*8, 1, 1, false, (i%3 == 2)) + end + end + spr(77+enemy.bulletfired[1]+dmg*2, enemy.x, enemy.y) + spr(77+enemy.bulletfired[1]+dmg*2, enemy.x, enemy.y+length*8-8, 1, 1, false, true) + spr(70+dmg,enemy.x+8,enemy.y,2,2) + spr(70+dmg*2,enemy.x+8,enemy.y+length*8-16,2,2,false,true) + spr(79+dmg,enemy.x+8,enemy.y+length*8-24,1,1) + end + end + + enemy.shot = enemyshot + + enemy.collide = enemycollide + + function enemy.update() + if not enemy.stay then + enemy.x -= speed + else + enemy.x = enemy.x + 0.025 * (102 - enemy.x); --lerp if boss + enemy.move = flr((currentwavetime/5)%5) -- loops through moveset + end + if enemy.shootcooldown < 0 then + enemy.shootcooldown = 0.095 + if enemy.x < 129 then + + local function attack(i, move) -- these are all the conditions to shoot depending on what "move" this guys on + if move == 0 and (flr((t()*4)%length) == i or flr((-t()*4)%length) == i) and i%2 == 1 then --this one shoots lines in a pattern + return true + elseif move == 1 then -- this one targets the players and shoots some random ones + for p = 1, #players, 1 do + if flr(players[p].y/8) == i-1 and everysecondtimer < 0.7 then + return true + end + end + elseif move == 2 and i == ceil(rnd(length*1.3)) then -- this one is just random ones + return true + elseif move == 3 then --this one is that neat weaving pattern, shout out to don't get a virus fans! + if i > length/3 and i < length/3*2 then + if currentwavetime%1.5 < 0.15 then + return true + end + elseif currentwavetime%1.5 > 0.7 and currentwavetime%1.5 < 0.85 then + return true + end + elseif move == 5 and (i < length/3+sin(t()/3)*3 or i > length/3*2+sin(t()/3)*3 or ceil(rnd(length*7)) == i) then -- this one is a wavy bullet corridor + return true + end + end + + for i = 1, length, 1 do + if attack(i, enemy.move) then + addbullet(enemy.x, -4+i*8, -1, 0, true, 2) + enemy.bulletfired[i] = 1 + else + enemy.bulletfired[i] = 0 + end + end end - sfx(26, 3) - del(enemies, enemy) + end + enemymisc(enemy) + if enemy.health <= 0 then -- die!!!!! + enemydie(enemy,17) end end |