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tacticalsk8er

Member Since 26 Apr 2012
Offline Last Active Today, 07:00 AM

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Smooth Collision For A Tds Game

Yesterday, 05:27 AM

So I have ran into a problem with collisions in a Top Down Shooter (TDS) game. Essentially each method I have use (Methods listed below) has given me the same results. Those results being that if my sprite isn't facing a certain way the collision isn't pixel perfect. Because of this, whenever I rotate the sprite using my mouse, (image_angle = point_direction(x,y,mouse_x,mouse_y)) the object will stop and glitch up. My question is how can I fix the glitches in the collision system?

Methods

Spoiler

///Basic Movement
if(keyboard_check(ord('W'))){
    for(i = 0; i < 4; i++){
        if(!place_meeting(x,y-1,obj_wall)){
            y --;
        }
    }
}
if(keyboard_check(ord('S'))){
    for(i = 0; i < 4; i++){
        if(!place_meeting(x,y+1,obj_wall)){
            y ++;
        }
    }
}
if(keyboard_check(ord('A'))){
    for(i = 0; i < 4; i++){
        if(!place_meeting(x-1,y,obj_wall)){
            x --;
        }
    }
}
if(keyboard_check(ord('D'))){
    for(i = 0; i < 4; i++){
        if(!place_meeting(x+1,y,obj_wall)){
            x ++;
        }
    }
}

Spoiler

if(keyboard_check(ord('W')) && place_free(x,y-4)){
    y -= 4;
}
if(keyboard_check(ord('S')) && place_free(x,y+4)){
    y += 4;
}
if(keyboard_check(ord('A')) && place_free(x-4,y)){
    x -= 4;
}
if(keyboard_check(ord('D')) && place_free(x+4,y)){
    x += 4;
}

Spoiler

if(keyboard_check(ord('W')) && place_meeting(x,y-4,obj_wall)){
    y -= 4;
}
if(keyboard_check(ord('S')) && place_meeting(x,y+4.obj_wall)){
    y += 4;
}
if(keyboard_check(ord('A')) && place_meeting(x-4,y,obj_wall)){
    x -= 4;
}
if(keyboard_check(ord('D')) && place_meeting(x+4,y.obj_wall)){
    x += 4;
}

New to GameMaker

26 April 2012 - 04:50 AM

Hey I am pretty new to game maker, but I don't want to use the drop and drag style of game maker. I would rather make games using just GML. Anyways since I have said that I have a very basic project that took me not to long to make, but for some reason it won't work as it should if you would like to take a look at and figure out the solution please be my guest. The problem is my tic-tac-toe game(I know very basic) won't detect when a player wins. Here is the code to the player win detection system I made

Spoiler

if global.square1 = 1 and global.square2 = 1 and global.square3 = 1{
    xwin = 1;
}else{

}
if global.square4 = 1 and global.square5 = 1 and global.square6 = 1{
    xwin = 1;
}else{

}
if global.square7 = 1 and global.square8 = 1 and global.square9 = 1{
    xwin = 1;
}else{

}
if global.square1 = 1 and global.square4 = 1 and global.square7 = 1{
    xwin = 1;
}else{

}
if global.square2 = 1 and global.square5 = 1 and global.square8 = 1{
    xwin = 1;
}else{

}
if global.square3 = 1 and global.square6 = 1 and global.square9 = 1{
    xwin = 1;
}else{

}
if global.square1 = 1 and global.square5 = 1 and global.square9 = 1{
    xwin = 1;
}else{

}
if global.square3 = 1 and global.square5 = 1 and global.square7 = 1{
    xwin = 1;
}else{

}
if global.square1 = 2 and global.square2 = 2 and global.square3 = 2{
    owin = 1;
}else{

}
if global.square4 = 2 and global.square5 = 2 and global.square6 = 2{
    owin = 1;
}else{

}
if global.square7 = 2 and global.square8 = 2 and global.square9 = 2{
    owin = 1;
}else{

}
if global.square1 = 2 and global.square4 = 2 and global.square7 = 2{
    owin = 1;
}else{

}
if global.square2 = 2 and global.square5 = 2 and global.square8 = 2{
    owin = 1;
}else{

}
if global.square3 = 2 and global.square6 = 2 and global.square9 = 2{
    owin = 1;
}else{

}
if global.square1 = 2 and global.square5 = 2 and global.square9 = 2{
    owin = 1;
}else{

}
if global.square3 = 2 and global.square5 = 2 and global.square7 = 2{
    owin = 1;
}else{

}
if uses = 9 {
    gametie = 1;
}else{

}

if xwin = 1{
    show_message("X Wins");
    player1wins += 1;
    xwin = 0;
    quit = show_question("Would you like to play again?");
    switch(quit){
        case 1:
        global.reset = 1;
        alarm[0] = 30
        break;
        case 0:
        game_end();
        break;
    }
}else if owin = 1{
    show_message("O Wins");
    player2wins += 1;
    owin = 0;
    quit = show_question("would you like to play agian?");
    switch(quit){
        case 1:
        global.reset = 1;
        alarm[0] = 30
        break;
        case 0:
        game_end();
        break;
    }
}else if gametie = 1{
    show_message("The game is a tie...");
    gameties += 1;
    gametie = 0;
    quit = show_question("Would you like to play again?");
    switch(quit){
        case 1:
        global.reset = 1;
        alarm[0] = 10
        break;
        case 0:
        game_end();
        break;
    }
}


if global.reset = 1{
    xwin = 0;
    owin = 0;
    gametie = 0;
    global.square1 = 0;
    global.square2 = 0;
    global.square3 = 0;
    global.square4 = 0;
    global.square5 = 0;
    global.square6 = 0;
    global.square7 = 0;
    global.square8 = 0;
    global.square9 = 0;
    uses = 0;
    playerturn = 1;
}

It could be that I am miss spelled something in here that I just don't see or something stupid like that but if you find the solution please tell me.
Here is the project: https://www.dropbox....Tac-Toe.gmx.zip

tacticalsk8er

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Smooth Collision For A Tds Game

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