... incorporate collision detection into a sprite routine I writing.
The ... /> POP DE ; e=mask, d=sprite image
LD A,(HL ... /> NC0:
LD A,(HL) ; draw sprite as normal
AND E ...

... }
}
}

// draw stairs
for (f = 4 ... /> }

// erase player sprite
if (HRC2OFFSET(hrcPlayer) == ... /> } else {
// draw player facing to the left ...

... /> }

// erase player sprite
if (HRC2OFFSET(hrcPlayer) == 3 ... }
} else {
// draw player facing to the left ... br /> }

// draw enemy at new position

... /> 1. Store background
2. Draw sprite into background
3. Delay ...
4. Draw stored background into sprite
5. Change sprite coordinates
sprite at a time -- erase it, then draw it at ...

... boundaries, you can write a sprite routine that just displays the ... an inverted silhouette for every sprite frame. That is ANDed first ... the right shape, then the sprite is ORed. A less ... XOR to draw the sprite, then another XOR to erase the sprite.
< ...

... : for every sprite, I have a routine to erase it from the ... routine is the calculate-rotate sprite. So, my interrupt routine ... 1 to N
- Erase the sprite from screen, restoring previous contents ... before the raster begins to draw the first scan of my ...

... mcleod_ideafix;592693]Well... My first sprite routines work this way: for ... every sprite, I have a routine to erase it from the ... 1 to N
- Erase the sprite from screen, restoring previous contents ... before the raster begins to draw the first scan of my ...

... mcleod_ideafix;592693]Well... My first sprite routines work this way: for ... every sprite, I have a routine to erase it from the ... 1 to N
- Erase the sprite from screen, restoring previous contents ... before the raster begins to draw the first scan of my ...

...
When you make a sprite movement at the screen it ... />
A) erase sprite at old position
B) draw sprite at new position ... the process (you erased the sprite at old position or started ... it at new position), the sprite will dissappear.
It ...

... }

// erase player sprite
if (HRC2OFFSET(hrcPlayer) == ... }

// draw enemy at new position
// draw player facing to the left ...

... steps. So, you could draw a fixed 8x2 pixel ... pixel coloured blocks) and draw all your scenery blocks using ...
The intention is to draw as many sprites as possible ... an easy way to draw 4x2 or 4x4 player ... on too. So to erase a sprite, I patch the pixels ...

... estimate about 1000 cycles to erase a sprite, so we have 3000 ... cycles to both paint/erase and a ... - i.e. the border - erase stuff, draw stuff, in that order.
erase/draw, process each buffer in order ...

... the demo to enable a sprite to be moved around

... avoid this problem is, never draw anything yourself in NIRVANA. ... you will be able to draw 50*8=400 multicolor tiles ... Also method "fill" (to erase previous sprite positions when moving them) can ... ESCAPE uses sprites instead of draw/fill for everything, except ...

... flicker.

Most sprite engines will not work like ... try to coordinate background and sprite erase/draw to the current raster ... Scrolling programs will need to draw the entire display in a ... which also need to draw synchronized with the raster ...

... left and right sides of sprite.
DB %00000000
... into draw procedure (right side)
LD A,(SPRXCO) ;taking sprite X ... to draw sprite
LD DE,(SPRSRC) ; source of sprite in memory (sprite is ...

... am trying to make sprite movement routine. Actually I ... did it, however my sprite
flickers terribly while ... . Store background
2. Draw sprite into background
3. Delay ... 4. Draw stored background into sprite
5. Change sprite coordinates

... draw sprite
LD SP,(SPRSRC) ;source of sprite in memory (sprite ... A,(SPRYLEN) ;taking height of sprite (pixels)
SRL A ... />
* Draw second line of sprite: right to left
draw sprite in unshifted position
...

... draw sprite
LD SP,(SPRSRC) ; source of sprite in memory (sprite ...
*Draw second line of sprite: right to left< ... br />

* Draw sprite in unshifted position. Called when ...
CALL DRAWSPR ;Call sprite drawing routine

... /> POP DE ; e=mask, d=sprite image
LD A,(HL ... /> NC0:
LD A,(HL) ; draw sprite as normal
AND E ... /> POP DE ; e=mask, d=sprite image
LD A,(HL ...
NC0: LD A,(HL) ; draw sprite as normal
AND E ...

... /> POP DE ; e=mask, d=sprite image
LD A,(HL ...
NC0: LD A,(HL) ; draw sprite as normal
AND E ...

... /> POP DE ; e=mask, d=sprite image
LD A,(HL ...
NC0: LD A,(HL) ; draw sprite as normal
AND E ... /> POP DE ; e=mask, d=sprite image
LD A,(HL ...

... /> POP DE ; e=mask, d=sprite image
LD A,(HL ...
NC0: LD A,(HL) ; draw sprite as normal
AND E ...

... its Y position and draw firstly sprites of first ... sprite
if (sprite.y < screen.height/2) then draw sprite ...
endfor

for every sprite
if sprite. ... y >= screen.height/2) then draw sprite ...

... same thing like moving small sprite.

basically, ... DD's (masked) sprite takes about 5000T to draw. sprite routine which have ... T (including amortized overhead of sprite routine).

... 64 x 48 pixel sprite could cost about 18000 T ...

You are making great progress. I remember your thread when you asked not so far ago how to draw sprite at any pixel position :)

I'm looking forward to your next releases.

... game has all the sprite area covered with an ... . To switch on a sprite, I only had to ... do a PRINT to erase a sprite, then another PRINT to ... colourfull blocks covering all the sprite area. Just take care ... paper to not reveal the sprite bitmap behind.

...

... . You have to optimize your erase/draw routines as much as you ...

... /> 300 REM Load background and draw on screen
310 GO ... /> 1580 RETURN
2000 REM Draw sprite in p$ at X,Y ...

... background graphics under each sprite separately, and then erase the sprites using ... estimate about 1000 cycles to erase a sprite, so we have 3000 ... cycles to both paint/erase and a ...