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your-own-drum
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Smooth trail rendering, for real this time.

This commit is contained in:
yaw-man 2023-01-14 09:59:20 -04:00
parent 5a24ffcd42
commit d5747d8134
3 changed files with 10 additions and 13 deletions
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4
main.lua
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@ -160,11 +160,11 @@ end
function love.draw() function love.draw()
love.graphics.setColor(1.0, 1.0, 1.0) --[[love.graphics.setColor(1.0, 1.0, 1.0)
love.graphics.print( state.beat.mu or 0, 0) love.graphics.print( state.beat.mu or 0, 0)
love.graphics.print( state.beat.t or 0, 0, 10) love.graphics.print( state.beat.t or 0, 0, 10)
love.graphics.print( state.beatScoreThreshold, 0, 20) love.graphics.print( state.beatScoreThreshold, 0, 20)
love.graphics.print( state.lastBeatScore, 0, 30 ) love.graphics.print( state.lastBeatScore, 0, 30 )]]

15
marble.lua
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@ -26,6 +26,7 @@ end
local function OnImpact( impact ) local function OnImpact( impact )
--Adjust current trajectory according to collision. --Adjust current trajectory according to collision.
if not impact.tNext then return end
return Integrate( impact.tNext - impact.t ) --Hmm! Maybe this should be a fixed step instead for stability's sake. return Integrate( impact.tNext - impact.t ) --Hmm! Maybe this should be a fixed step instead for stability's sake.
end end
@ -50,18 +51,14 @@ end
local function Draw() local function Draw()
love.graphics.print( ddx, 0, 100 ) --Extrapolate forward for slightly smoother rendering.
love.graphics.print( ddy, 0, 110 ) local dt = love.timer.getTime() - curState.t
Integrate( dt + 1 / 60.0 )
local xp, yp = transform:transformPoint( oldState.x, oldState.y ) local xp, yp = transform:transformPoint( oldState.x, oldState.y )
local xc, yc = transform:transformPoint( curState.x, curState.y ) local xc, yc = transform:transformPoint( curState.x, curState.y )
local xn, yn = transform:transformPoint( newState.x, newState.y ) local xn, yn = transform:transformPoint( newState.x, newState.y )
local dt = love.timer.getTime() - newState.t --Integrate forward for slightly smoother rendering.
local xf, yf = transform:transformPoint(
newState.x + dt * newState.dx,
newState.y + dt * newState.dy )
love.graphics.setCanvas( newBuffer ) love.graphics.setCanvas( newBuffer )
love.graphics.setColor( 1.0, 1.0, 1.0 , 0.99 ) -- White. love.graphics.setColor( 1.0, 1.0, 1.0 , 0.99 ) -- White.
love.graphics.draw( oldBuffer ) --Time-dependent fade: overlay canvas over itself. love.graphics.draw( oldBuffer ) --Time-dependent fade: overlay canvas over itself.
@ -73,8 +70,8 @@ local function Draw()
love.graphics.setLineJoin( "bevel" ) love.graphics.setLineJoin( "bevel" )
love.graphics.setLineStyle( "smooth" ) love.graphics.setLineStyle( "smooth" )
love.graphics.setLineWidth( 8.0 ) love.graphics.setLineWidth( 8.0 )
love.graphics.line( xp, yp, xc, yc, xn, yn, xf, yf ) love.graphics.line( xp, yp, xc, yc, xn, yn)
love.graphics.circle( "fill", xf, yf, 4.0 ) love.graphics.circle( "fill", xn, yn, 4.0 )
love.graphics.setCanvas( oldBuffer ) love.graphics.setCanvas( oldBuffer )
love.graphics.clear( 1.0, 1.0, 1.0, 0.0 ) love.graphics.clear( 1.0, 1.0, 1.0, 0.0 )

2
sitelenpona.lua
View File

@ -10,7 +10,7 @@ end
sp.Draw = function( str ) sp.Draw = function( str )
local w, h = love.graphics.getDimensions() local w, h = love.graphics.getDimensions()
local x, y = 0.5 * w - 128, 0.5 * h - 128 local x, y = 0.5 * w - 128, 0.5 * h - 128
love.graphics.setColor( 1.0, 1.0, 1.0, 1.0 ) love.graphics.setColor( 1.0, 1.0, 1.0, 0.5 )
love.graphics.draw( sp[str] or sp.q, x, y ) love.graphics.draw( sp[str] or sp.q, x, y )
end end