Wednesday Workshop - BlitzCoder.net

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Wednesday Workshop #081 (27 Dec 2006) The "New Year, New Language" Challenge This week you can make any type of game you want, but you must code it using the new Cobra Demo provided at <a href="https://www.squeakyduck.co.uk">SqueakyDuck.co.uk</a>

Missile Command by JL235 for Workshop #081 Shoot the missiles from out of the sky. Mouse // MISSILE COMMAND // by Joseph Lenton // 29/12/06 Program Uses pure2d, keyset const GRAPHICS_WIDTH = 800 GRAPHICS_HEIGHT = 600 LAND_HEIGHT = 500 BASE_SIZE = 15 PLAYER_MISSILE_SIZE = 3 PLAYER_MISSILE_SPEED = 4 PLAYER_MISSILE_COLLISION_OFFSET = 3 MISSILE_SPEED = 3 MISSILE_SIZE = 3 MISSILE_RANDOMIZER = 10 MISSILE_START_ANGLE = 120 MISSILE_END_ANGLE = 60 EXPLOSION_MAXIMUM_SIZE = 80 EXPLOSION_SIZE_INCRIMENT = 6 type Bases = record x : integer y : integer endtype type PlayerMissiles = record x : real y : real destinationX : integer destinationY : integer deltaX : real deltaY : real endtype type Missiles = record x : real y : real origX : integer origY : integer deltaX : real deltaY : real endtype type Explosions = record x : integer y : integer size : integer endtype // draw land procedure drawLand() begin RectC(0, LAND_HEIGHT, GRAPHICS_WIDTH, GRAPHICS_HEIGHT, ToRGBA(180,60,90), true) end // BASES // new base Procedure newBase(x:Integer, y:Integer) Begin base = NewItem(baseList) If Assigned(base) base.x = x base.y = y Else MessageBox("Could not add base") EndIf End // draw bases procedure drawBases() begin loop base through baseList Ellipse(base.x, base.y, BASE_SIZE, BASE_SIZE, ToRGBA(255,255,255), true) endloop end // PLAYER MISSILES // new player missile procedure newPlayerMissile(x:integer, y:integer, destinationX:integer, destinationY:integer) var angle : real begin playerMissile = newItem(playerMissileList) if assigned(playerMissile) playerMissile.x = x playerMissile.y = y playerMissile.destinationX = destinationX playerMissile.destinationY = destinationY angle = atan2(y-destinationY, x-destinationX) playerMissile.deltaX = cos(angle)PLAYER_MISSILE_SPEED playerMissile.deltaY = sin(angle)PLAYER_MISSILE_SPEED else messagebox("Could not add Player Missile") endif end // update player missiles procedure updatePlayerMissiles() begin loop playerMissile through playerMissileList playerMissile.x = playerMissile.x-playerMissile.deltaX playerMissile.y = playerMissile.y-playerMissile.deltaY if abs(playerMissile.x-playerMissile.destinationX) < PLAYER_MISSILE_COLLISION_OFFSET if abs(playerMissile.y-playerMissile.destinationY) < PLAYER_MISSILE_COLLISION_OFFSET newExplosion(playerMissile.x, playerMissile.y) free(playerMissile) endif endif endloop end // draw player missiles procedure drawPlayerMissiles() begin loop playerMissile through playerMissileList ellipse(playerMissile.x, playerMissile.y, PLAYER_MISSILE_SIZE, PLAYER_MISSILE_SIZE, torgba(200, 60, 130)) endloop end // MISSILES // generate new missile procedure generateNewMissile() var randAngle:integer randX:integer begin if Rand(0, MISSILE_RANDOMIZER) = 0 randAngle = Rand(MISSILE_START_ANGLE, MISSILE_END_ANGLE) randX = Rand(50, GRAPHICS_WIDTH-50) newMissile(randAngle, randX, -10) endif end // new missile procedure newMissile(angle:integer, x:integer, y:integer) begin missile = newitem(missileList) if assigned(missile) missile.x = x missile.y = y missile.origX = x missile.origY = y missile.deltaX = cos(angle)MISSILE_SPEED missile.deltaY = sin(angle)MISSILE_SPEED Else MessageBox("Could not add missile") EndIf end // draw missiles procedure drawMissiles() var randColor:integer begin loop missile through missileList randColor = ToRGBA(Rand(30,225), Rand(30,225), Rand(30,225)) Line(missile.origX, missile.origY, missile.x, missile.y, randColor) Ellipse(missile.x, missile.y, MISSILE_SIZE, MISSILE_SIZE, randColor, true) endloop end // update missiles procedure updateMissiles() begin loop missile through missileList missile.x = missile.x+missile.deltaX missile.y = missile.y+missile.deltaY if (missile.x < 0) or (missile.x > GRAPHICS_WIDTH) or (missile.y > LAND_HEIGHT) free(missile) else checkMissileBaseCollision(missile) endif endloop end // check missile base collision procedure checkMissileBaseCollision(localMissile:^Missiles) begin loop base through baseList if Abs(base.x-missile.x) < BASE_SIZE/2+MISSILE_SIZE/2 if Abs(base.y-missile.y) < BASE_SIZE/2+MISSILE_SIZE/2 free(base) free(missile) dec(playerLives) endif endif endloop end // EXPLOSION // new explosion procedure newExplosion(x:integer, y:integer) begin explosion = newitem(explosionList) if assigned(explosion) explosion.size = 1 explosion.x = x explosion.y = y else messagebox("could not make new explosion") endif end // update explosions procedure updateExplosions() var x : integer y : integer begin loop explosion through explosionList loop missile through missileList x = abs(missile.x-explosion.x) y = abs(missile.y-explosion.y) if sqrt(xx + yy) < explosion.size free(missile) endif endloop explosion.size = explosion.size+EXPLOSION_SIZE_INCRIMENT if explosion.size > EXPLOSION_MAXIMUM_SIZE free(explosion) endif endloop end // draw explosions procedure drawExplosions() begin loop explosion through explosionList ellipse(explosion.x, explosion.y, explosion.size, explosion.size, torgba(255,255,255)) endloop end var playerLives : integer playerScore : integer baseList : list of Bases base : ^Bases playerMissileList : list of PlayerMissiles playerMissile : ^PlayerMissiles missileList : list of Missiles missile : ^Missiles explosionList : list of Explosions explosion : ^Explosions i : integer Begin OpenScreen(GRAPHICS_WIDTH, GRAPHICS_HEIGHT, 16, False) playerLives = 5 for i = 1 to playerLives newBase(rand(50, GRAPHICS_WIDTH-50), LAND_HEIGHT) next // main loop While (keydown(1)=0) and (playerLives > 0) if mousehits(0) > 0 newPlayerMissile(0, LAND_HEIGHT, mousex(), mousey()) endif if mousehits(1) > 0 newPlayerMissile(GRAPHICS_WIDTH, LAND_HEIGHT, mousex(), mousey()) endif // update everything updatePlayerMissiles updateExplosions generateNewMissile updateMissiles // draw everything Cls drawLand drawExplosions drawMissiles drawPlayerMissiles drawBases playerScore = playerScore+1 pencolor(toRgba(255,255,255)) Text(10, 52, "Score: "+playerScore) text(10, 64, "Lives: "+playerLives) Flip Wend messagebox("You Scored: " + playerScore) CloseScreen End

The Really Stupid Ball Bouncing Game by Jayenkai for Workshop #081 Bounce the ball down the path. Cursors Program Uses Pure2d, Keyset Var x,y,n:integer mx,mt:integer mt2:integer tick:integer speed:integer ballx:integer Heart:integer bally,bounce:real score:integer sx,ex:integer endofgame:integer offset : array[100000,2] of integer col:array[100000,6] of integer ballx2:array[500] of integer Begin OpenScreen(800, 600) mx=300 endofgame=0 mt=1 Speed=1 Tick=0 mt2=rand(0-Speed,Speed) ballx=400 bally=600 bounce=0 Score=0 Heart=5 for x=1 to mx for y=1 to 3 col[x,y]=180 col[x,y+3]=1 next next Repeat CLS( torgba(40,80,160)) for x=1 to mx-1 for y=1 to 3 col[x,y]=col[x+1,y] if x<70 then col[x,y]=col[x+4,y] if x<140 then col[x,y]=col[x+3,y] if x<210 then col[x,y]=col[x+2,y] next y=1 offset[x,y]=offset[x+1,y] if x=mx-1 then offset[x,y]=offset[x,y]+rand(-2,2) if x<70 then offset[x,y]=offset[x+4,y] if x<140 then offset[x,y]=offset[x+3,y] if x<210 then offset[x,y]=offset[x+2,y] next tick=tick+1 if tick>250 then tick=0; speed=speed+1 score=score+1 bounce=bounce+4 bally=600-abs(sin(bounce)50) if bounce>176 bounce=0 endif if keydown(VK_Left) then ballx=ballx-2 if keydown(VK_Right) then ballx=ballx+2 x=mx for y=1 to 3 col[x,y]=col[x,y]+col[x,y+3] if col[x,y]>180 then col[x,y+3]=Rand(-4,1) if col[x,y]<100 then col[x,y+3]=Rand(1,4) if rand(1,10)=1 then col[x,4]=rand(-4,4) next offset[x,1]=offset[x,1]+mt2 if offset[x,1]<-250 then offset[x,1]=-250; mt2=2 if offset[x,1]>250 then offset[x,1]=250; mt2=-2 if (rand(1,30)=1) and (offset[x,1]<100) then mt2=rand(0,speed) if (rand(1,30)=1) and (offset[x,1]>-100) then mt2=rand(0-speed,0) for x=0 to mx sx=(400-offset[x,1])-((mx-x)/3) ex=(400-offset[x,1])+((mx-x)/3) line (0,(300-offset[x,2])+((mx-x)mt),800,(300-offset[x,2])+((mx-x)mt), ToRGBA(col[x,1]-80,col[x,1],col[x,1]-80)) line (sx,(300-offset[x,2])+((mx-x)mt),ex,(300-offset[x,2])+((mx-x)mt), ToRGBA(col[x,1]+40,col[x,1]+20,col[x,1])) if (x=5) and (bounce=0) if (ballx<sx) then heart=heart-1 if (ballx>ex) then heart=heart-1 endif next ballx2[1]=ballx for n=250 to 2 step -1 ballx2[n]=ballx2[n-1] next for n=1 to heart ellipse (ballx2[((n-1)25)+1],600-abs(sin(bounce+(n25))50),20,20,torgba(255-(n*25),0,0),1) next pencolor(torgba(0,0,0)) text (400,200,"Distance "+score) if heart=0 then endofgame=1 Flip if keydown(VK_Escape) then endofgame=99 Until endofgame<>0 pause (1500) CloseScreen End

SHUMP by magicman for Workshop #081 A shoot-em-up made in Cobra Cursors and Spacebar Click to download this entry

Cobra-oids by grahamk for Workshop #081 Shoot all the rocks! Cursors and Spacebar Program Uses Pure2d, Keyset Var x,y,n:integer mx,mt:integer mt2:integer tick:integer speed:integer ballx:integer Heart:integer bally,bounce:real score:integer sx,ex:integer endofgame:integer offset : array[100000,2] of integer col:array[100000,6] of integer ballx2:array[500] of integer Begin OpenScreen(800, 600) mx=300 endofgame=0 mt=1 Speed=1 Tick=0 mt2=rand(0-Speed,Speed) ballx=400 bally=600 bounce=0 Score=0 Heart=5 for x=1 to mx for y=1 to 3 col[x,y]=180 col[x,y+3]=1 next next Repeat CLS( torgba(40,80,160)) for x=1 to mx-1 for y=1 to 3 col[x,y]=col[x+1,y] if x<70 then col[x,y]=col[x+4,y] if x<140 then col[x,y]=col[x+3,y] if x<210 then col[x,y]=col[x+2,y] next y=1 offset[x,y]=offset[x+1,y] if x=mx-1 then offset[x,y]=offset[x,y]+rand(-2,2) if x<70 then offset[x,y]=offset[x+4,y] if x<140 then offset[x,y]=offset[x+3,y] if x<210 then offset[x,y]=offset[x+2,y] next tick=tick+1 if tick>250 then tick=0; speed=speed+1 score=score+1 bounce=bounce+4 bally=600-abs(sin(bounce)50) if bounce>176 bounce=0 endif if keydown(VK_Left) then ballx=ballx-2 if keydown(VK_Right) then ballx=ballx+2 x=mx for y=1 to 3 col[x,y]=col[x,y]+col[x,y+3] if col[x,y]>180 then col[x,y+3]=Rand(-4,1) if col[x,y]<100 then col[x,y+3]=Rand(1,4) if rand(1,10)=1 then col[x,4]=rand(-4,4) next offset[x,1]=offset[x,1]+mt2 if offset[x,1]<-250 then offset[x,1]=-250; mt2=2 if offset[x,1]>250 then offset[x,1]=250; mt2=-2 if (rand(1,30)=1) and (offset[x,1]<100) then mt2=rand(0,speed) if (rand(1,30)=1) and (offset[x,1]>-100) then mt2=rand(0-speed,0) for x=0 to mx sx=(400-offset[x,1])-((mx-x)/3) ex=(400-offset[x,1])+((mx-x)/3) line (0,(300-offset[x,2])+((mx-x)mt),800,(300-offset[x,2])+((mx-x)mt), ToRGBA(col[x,1]-80,col[x,1],col[x,1]-80)) line (sx,(300-offset[x,2])+((mx-x)mt),ex,(300-offset[x,2])+((mx-x)mt), ToRGBA(col[x,1]+40,col[x,1]+20,col[x,1])) if (x=5) and (bounce=0) if (ballx<sx) then heart=heart-1 if (ballx>ex) then heart=heart-1 endif next ballx2[1]=ballx for n=250 to 2 step -1 ballx2[n]=ballx2[n-1] next for n=1 to heart ellipse (ballx2[((n-1)25)+1],600-abs(sin(bounce+(n25))50),20,20,torgba(255-(n*25),0,0),1) next pencolor(torgba(0,0,0)) text (400,200,"Distance "+score) if heart=0 then endofgame=1 Flip if keydown(VK_Escape) then endofgame=99 Until endofgame<>0 pause (1500) CloseScreen End

Copyright Jayenkai - 2017+ | Thanks to Shroom_Monk for CSS/Dev Tips | Uses a Jay-Tweaked version of CBParser.
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Wednesday Workshop - BlitzCoder.net