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gameplay tweaks
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@KilledByAPixel
KilledByAPixel committed Sep 24, 2024
1 parent b0936e7 commit be767f3
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Showing 6 changed files with 75 additions and 62 deletions.
6 changes: 3 additions & 3 deletions code/game.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,8 +40,8 @@ let testDrive = 0;
let freeCamMode = 0;
let testLevelInfo;
const testQuick = 0;
const js13kBuild = 1;
const js13kBuildLevel2 = 0;
const js13kBuild = 1; // hacks made when building for js13k
const js13kBuildLevel2 = 0; // if more space is needed for js13k

///////////////////////////////////////////////////

Expand Down Expand Up @@ -120,7 +120,7 @@ function gameStart()
time = frame = frameTimeLastMS = averageFPS = frameTimeBufferMS =
cameraOffset = checkpointTimeLeft = raceTime = playerLevel = playerWin = playerNewDistanceRecord = playerNewRecord = freeRide = checkpointSoundCount = 0;
startCountdown = quickStart || testLevel ? 0 : 4;
worldHeading = titleScreenMode ? rand(7) : 1;
worldHeading = titleScreenMode ? rand(7) : .9;
checkpointTimeLeft = startCheckpointTime;
nextCheckpointDistance = checkpointDistance;
startCountdownTimer = new Timer;
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20 changes: 13 additions & 7 deletions code/levels.js
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,8 @@ function initLevelInfos()
LI.billboardRate = 23; // more billboards in city
LI.billboardChance = .5
LI.horizonSpriteSize = 1;
if (!js13kBuildLevel2)
LI.horizonFlipChance = .3;
LI.sunHeight = .5;
LI.sunColor = hsl(.15,1,.8);
LI.sideStreets = 1;
Expand Down Expand Up @@ -304,16 +306,16 @@ function initLevelInfos()
trackSprites.grass_flower1,
trackSprites.rock_huge2,
trackSprites.rock_huge,
], trackSprites.tree_pink);
LI.trackSideRate = 30;
], trackSprites.tree_pink, trackSprites.horizon_mountains);
LI.trackSideRate = 21;
LI.skyColorTop = hsl(.2,1,.9);
LI.skyColorBottom = hsl(.55,1,.5);
LI.roadColor = hsl(0,0,.1);
LI.groundColor = hsl(.1,.5,.7);
LI.cloudColor = hsl(0,0,1,.5);
LI.sunHeight = .7;
LI.tunnel = trackSprites.tunnel1;
LI.horizonSpriteSize = 0; // no horizon
LI.sunHeight = .6;
LI.horizonSpriteSize = .5;

// mountains, most difficult level
LI.turnChance = .8;
Expand All @@ -333,11 +335,15 @@ function initLevelInfos()
trackSprites.grass_plain,
trackSprites.tree_oak,
trackSprites.tree_bush,
], trackSprites.tree_oak);
], trackSprites.tree_oak, trackSprites.horizon_mountains);
LI.sceneryListBias = 1;
LI.groundColor = hsl(.2,.3,.5);
LI.trackSideRate = LI.laneCount = LI.billboardChance = 0;
LI.sunHeight = .7; // should match previous level
LI.trackSideRate = LI.billboardChance = 0;
LI.bumpScaleMin = 1e3; // hill in the distance

// match settings to previous level
LI.sunHeight = .6;
LI.horizonSpriteSize = .5;
}

const getLevelInfo = (level) => testLevelInfo || levelInfoList[level|0] || levelInfoList[0];
Expand Down
12 changes: 10 additions & 2 deletions code/scene.js
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Original file line number Diff line number Diff line change
Expand Up @@ -80,14 +80,22 @@ function drawSky()
const p = i/99;
const ltp = lerp(p,1,2);
const ltt = .1;
const levelTransition = levelFloat<.5 ? 1 : levelPercent < ltt ? (levelPercent/ltt)**ltp :
const levelTransition = levelFloat<.5 || levelFloat > levelGoal-.5 ? 1 : levelPercent < ltt ? (levelPercent/ltt)**ltp :
levelPercent > 1-ltt ? 1-((levelPercent-1)/ltt+1)**ltp : 1;

const parallax = lerp(p, 1.01, 1.07);
const s = random.float(1e2,2e2)*horizonSpriteSize;
const size = vec3(random.float(1,2)*(horizonSprite.canMirror ? s*random.sign() : s),s,s);
const x = mod(worldHeading*headingScale/parallax + random.float(range),range) - range/2;
const y = lerp(levelTransition, -s*1.5, random.float(s));

const yMax = size.y*.75;
if (!js13kBuildLevel2 && levelInfo.horizonFlipChance)
{
// horizon spites that can be flipped vertically
if (random.bool(levelInfo.horizonFlipChance))
size.y *= -1;
}
const y = lerp(levelTransition, -yMax*1.5, yMax);
const c = horizonSprite.getRandomSpriteColor();
pushSprite(cameraPos.add(vec3( x, y, skyZ)), size, c, horizonSpriteTile);
}
Expand Down
2 changes: 1 addition & 1 deletion code/track.js
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ function drawRoad(zwrite)
{
const segmentIndex = cameraTrackSegment+i;
segment1 = track[segmentIndex];
if (!segment2)
if (!segment1 || !segment2)
{
segment2 = segment1;
continue;
Expand Down
85 changes: 40 additions & 45 deletions code/trackGen.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,21 +12,20 @@ function initTrackSprites()

// trees
trackSprites.tree_palm = new TrackSprite(vec3(0,1),1500,.2,.1,.04);
trackSprites.tree_palm.trackFace = 1;
trackSprites.tree_oak = new TrackSprite(vec3(1,1),2e3,.5,.06,.1);
trackSprites.tree_stump = new TrackSprite(vec3(2,1),1e3,.6,.04);
trackSprites.tree_dead = new TrackSprite(vec3(3,1),800,.3,.03,.06);
trackSprites.tree_pink = new TrackSprite(vec3(4,1),1500,.3,.1,.04);
trackSprites.tree_pink.trackFace = 1;
trackSprites.tree_bush = new TrackSprite(vec3(5,1),1e3,.5,.1,.06);
trackSprites.tree_fall = new TrackSprite(vec3(6,1),1500,.3,.1,.1);
//TB(trackSprites.tree_flower = new TrackSprite(vec3(7,1),2e3,.3,.05,200));
trackSprites.tree_snow = new TrackSprite(vec3(4,3),1300,.3,.06,.1)
trackSprites.tree_yellow = new TrackSprite(vec3(5,3),1e3,.3,.06,.1)
trackSprites.tree_huge = new TrackSprite(vec3(3,1),1e4,.5,.1,.1)
trackSprites.tree_huge.colorHSL = vec3(.8, 0, .5);

// must face track
trackSprites.tree_palm.trackFace =
trackSprites.tree_pink.trackFace = 1;
trackSprites.tree_huge.shadowScale = 0;

// smaller tree shadows
trackSprites.tree_palm.shadowScale =
Expand All @@ -37,8 +36,7 @@ function initTrackSprites()
trackSprites.tree_bush.shadowScale =
trackSprites.tree_fall.shadowScale =
trackSprites.tree_snow.shadowScale =
trackSprites.tree_yellow.shadowScale =
trackSprites.tree_huge.shadowScale = .7;
trackSprites.tree_yellow.shadowScale = .7;

// grass and flowers
trackSprites.grass_plain = new TrackSprite(vec3(0,3),500,.5,1);
Expand Down Expand Up @@ -83,105 +81,101 @@ function initTrackSprites()
trackSprites.rock_tall = new TrackSprite(vec3(1,4),1e3,.3,0,.6,0);
trackSprites.rock_big = new TrackSprite(vec3(2,4),800,.2,0,.6,0);
trackSprites.rock_huge = new TrackSprite(vec3(1,4),5e3,.7,0,.6,0);
trackSprites.rock_huge.shadowScale = 0;
trackSprites.rock_huge.colorHSL = vec3(.08, 1, .8);
trackSprites.rock_huge.hueRandomness = .01;
trackSprites.rock_huge2 = new TrackSprite(vec3(2,4),8e3,.5,0,.25,0);
trackSprites.rock_huge2.shadowScale = 0;
trackSprites.rock_huge2.colorHSL = vec3(.05, 1, .8);
trackSprites.rock_huge2.hueRandomness = .01;
trackSprites.rock_huge3 = new TrackSprite(vec3(2,4),8e3,.7,0,.5,0);
trackSprites.rock_huge3.shadowScale = 0;
trackSprites.rock_huge3.colorHSL = vec3(.05, 1, .8);
trackSprites.rock_huge3.hueRandomness = .01;
trackSprites.rock_weird = new TrackSprite(vec3(2,4),5e3,.5,0,1,0);
trackSprites.rock_weird.shadowScale = 0;
trackSprites.rock_weird.colorHSL = vec3(.8, 1, .8);
trackSprites.rock_weird.hueRandomness = .2;
trackSprites.rock_weird2 = new TrackSprite(vec3(1,4),1e3,.5,0,.5,0);
trackSprites.rock_weird2.colorHSL = vec3(0, 0, .2);
trackSprites.tunnel1 = new TrackSprite(vec3(6,4),1e4,.0,0,0,0);
trackSprites.tunnel1.shadowScale = 0;
trackSprites.tunnel1.colorHSL = vec3(.05, 1, .8);
trackSprites.tunnel1.tunnelArch = 1;
trackSprites.tunnel2 = new TrackSprite(vec3(7,4),5e3,0,0,0,0);
trackSprites.tunnel2.shadowScale = 0;
trackSprites.tunnel2.colorHSL = vec3(0, 0, .1);
trackSprites.tunnel2.tunnelLong = 1;
trackSprites.tunnel2Front = new TrackSprite(vec3(7,4),5e3,0,0,0,0);
trackSprites.tunnel2Front.shadowScale = 0;
trackSprites.tunnel2Front.colorHSL = vec3(0,0,.8);
//trackSprites.tunnel2_rock = new TrackSprite(vec3(6,6),1e4,.2,0,.5,0);
//trackSprites.tunnel2_rock.colorHSL = vec3(.15, .5, .8);

// hazards
trackSprites.hazard_rocks = new TrackSprite(vec3(3,4),600,.2,0,.9);
trackSprites.hazard_rocks.shadowScale = 0;
trackSprites.hazard_rocks.isBump = 1;
trackSprites.hazard_rocks.spriteYOffset = -.02;
trackSprites.hazard_sand = new TrackSprite(vec3(4,4),600,.2,0,.9);
trackSprites.hazard_rocks.isBump =
trackSprites.hazard_sand.shadowScale = 0;
trackSprites.hazard_sand.isSlow = 1;
trackSprites.hazard_rocks.spriteYOffset =
trackSprites.hazard_sand.spriteYOffset = -.02;
//trackSprites.hazard_snow = new TrackSprite(vec3(6,6),500,.1,0,300,0);
//trackSprites.hazard_snow.isSlow = 1;

// special sprites
trackSprites.water = new TrackSprite(vec3(5,4),6e3,.5,1);
trackSprites.sign_start = new TrackSprite(vec3(5,0),2300,0,.01,0,0);
trackSprites.water.shadowScale = 0;
trackSprites.sign_start = new TrackSprite(vec3(1,6),2300,0,.01,0,0);
trackSprites.sign_start.shadowScale = 0;
trackSprites.sign_goal = new TrackSprite(vec3(0,6),2300,0,.01,0,0);
trackSprites.sign_goal.shadowScale = 0;
trackSprites.sign_checkpoint1 = new TrackSprite(vec3(6,0),1e3,0,.01,0,0);
trackSprites.sign_checkpoint1.shadowScale = 0;
trackSprites.sign_checkpoint2 = new TrackSprite(vec3(7,0),1e3,0,.01,0,0);
trackSprites.sign_checkpoint2.shadowScale = 0;
trackSprites.telephonePole = new TrackSprite(vec3(0,4),1800,0,0,.03,0);
//trackSprites.parts_girder = new TrackSprite(vec3(0,6),500,0,.05,30,0);
trackSprites.telephonePole.shadowScale = .3;
trackSprites.grave_stone = new TrackSprite(vec3(2,6),500,.4,.05,.5,0);
trackSprites.grave_stone.lightnessRandomness = .5;
trackSprites.light_tunnel = new TrackSprite(vec3(0,0),200,0,0,0,0);
trackSprites.light_tunnel.shadowScale = 0;

// horizon sprites
trackSprites.horizon_city = new TrackSprite(vec3(3,6),0,0,0,0,1);
trackSprites.horizon_city.hueRandomness =
trackSprites.horizon_city.lightnessRandomness = .1;
trackSprites.horizon_city.lightnessRandomness = .15;
trackSprites.horizon_city.colorHSL = vec3(1); // vary color

trackSprites.horizon_mountains = new TrackSprite(vec3(7,6));
trackSprites.horizon_mountains.colorHSL = vec3(0, 0, .7);
trackSprites.horizon_mountains.canMirror = 0;
trackSprites.horizon_islands = new TrackSprite(vec3(7,6));
trackSprites.horizon_islands.colorHSL = vec3(.25, .5, .6);
trackSprites.horizon_islands.canMirror = 0;
trackSprites.horizon_redMountains = new TrackSprite(vec3(7,6));
trackSprites.horizon_redMountains.colorHSL = vec3(.05, .7, .7);
trackSprites.horizon_redMountains.canMirror = 0;
trackSprites.horizon_brownMountains = new TrackSprite(vec3(7,6));
trackSprites.horizon_brownMountains.colorHSL = vec3(.1, .5, .6);
trackSprites.horizon_brownMountains.canMirror = 0;
trackSprites.horizon_smallMountains = new TrackSprite(vec3(6,6));
trackSprites.horizon_smallMountains.colorHSL = vec3(.1, .5, .6);
trackSprites.horizon_smallMountains.canMirror = 0;
trackSprites.horizon_desert = new TrackSprite(vec3(6,6));
trackSprites.horizon_desert.colorHSL = vec3(.15, .5, .8);
trackSprites.horizon_desert.canMirror = 0;
trackSprites.horizon_snow = new TrackSprite(vec3(7,6));
trackSprites.horizon_snow.colorHSL = vec3(0,0,1);
trackSprites.horizon_snow.canMirror = 0;
trackSprites.horizon_graveyard = new TrackSprite(vec3(6,6));
trackSprites.horizon_graveyard.colorHSL = vec3(.2, .4, .8);
trackSprites.horizon_graveyard.canMirror = 0;
trackSprites.horizon_weird = new TrackSprite(vec3(7,6));
trackSprites.horizon_weird.colorHSL = vec3(.7, .5, .6);

// no mirror on horizon sprites
trackSprites.horizon_islands.canMirror = 0;
trackSprites.horizon_redMountains.canMirror = 0;
trackSprites.horizon_brownMountains.canMirror = 0;
trackSprites.horizon_smallMountains.canMirror = 0;
trackSprites.horizon_desert.canMirror = 0;
trackSprites.horizon_snow.canMirror = 0;
trackSprites.horizon_graveyard.canMirror = 0;
trackSprites.horizon_weird.canMirror = 0;

// no shadow on these sprites
///trackSprites.tunnel2_rock.shadowScale = 0;
trackSprites.light_tunnel.shadowScale = 0;
trackSprites.hazard_rocks.shadowScale = 0;
trackSprites.hazard_sand.shadowScale = 0;
//trackSprites.hazard_snow.shadowScale = 0;
trackSprites.tunnel1.shadowScale = 0;
trackSprites.tunnel2.shadowScale = 0;
trackSprites.tunnel2Front.shadowScale = 0;
trackSprites.water.shadowScale = 0;
trackSprites.rock_huge.shadowScale = 0;
trackSprites.rock_huge2.shadowScale = 0;
trackSprites.rock_huge3.shadowScale = 0;
trackSprites.rock_weird.shadowScale = 0;
trackSprites.tree_huge.shadowScale = 0;
trackSprites.sign_start.shadowScale = 0;
trackSprites.sign_goal.shadowScale = 0;
trackSprites.sign_checkpoint1.shadowScale = 0;
trackSprites.sign_checkpoint2.shadowScale = 0;
}

// a sprite that can be placed on the track
Expand Down Expand Up @@ -252,8 +246,8 @@ class TrackSegment
{
constructor(segmentIndex,offset,width)
{
if (segmentIndex > levelGoal*checkpointTrackSegments)
width = 0;
if (segmentIndex >= levelGoal*checkpointTrackSegments)
width = 0; // no track after end

this.offset = offset;
this.width = width;
Expand All @@ -265,7 +259,6 @@ class TrackSegment
const level = this.level = testLevelInfo ? testLevelInfo.level : levelFloat|0;
const levelInfo = getLevelInfo(level);
const levelInfoNext = getLevelInfo(levelFloat+1);
//const levelLerpPercent = percent(levelFloat%1, 0, levelLerpRange);
const levelLerpPercent = percent(levelFloat%1, 1-levelLerpRange, 1);

const checkpointLine = segmentIndex > 25 && segmentIndex < 30
Expand Down Expand Up @@ -428,10 +421,9 @@ function buildTrack()
isBetweenLevels |= startOfTrack; // start of track
//const nextCheckpoint = (level+1)*checkpointTrackSegments;

if (isBetweenLevels || i > trackEnd - 500) // straight at end
if (isBetweenLevels)
{
// transition at start or end of level
// reset stuff
sectionXEndDistance = sectionYEndDistance = sectionTurn = 0;
}
else
Expand Down Expand Up @@ -472,6 +464,9 @@ function buildTrack()
}
}

if (i > trackEnd - 500)
sectionTurn = 0; // no turns at end

turn = lerp(.02,turn, sectionTurn); // smooth out turns

// apply noise to height
Expand All @@ -488,7 +483,7 @@ function buildTrack()

//turn = .5; height = 0;
//turn = Math.sin(i/100)*.7;
//height = noise1D(i/29)*400;turn =0; // jumps test
//height = noise1D(i/29)*-1700;turn =0; // jumps test

// create track segment
const o = vec3(turn, height, i*trackSegmentLength);
Expand Down
12 changes: 8 additions & 4 deletions code/vehicle.js
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Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,7 @@ class PlayerVehicle extends Vehicle
}
}

const hitBump=(amount = .97)=>
const hitBump=(amount = .98)=>
{
this.velocity.z *= amount;
if (this.bumpTime < 0)
Expand Down Expand Up @@ -471,10 +471,14 @@ class PlayerVehicle extends Vehicle
this.velocity.z -= playerBrake;
else if (playerInputGas)
{
const accel = playerInputGas*playerAccel*lerp(speedPercent, 1, .45);
// extra boost at low speeds
const lowSpeedPercent = percent(this.velocity.z, 80, 0)**2;
this.velocity.z += accel * lerp(lowSpeedPercent, 1, 9);
const lowSpeedPercent = percent(this.velocity.z, 100, 0)**2;
const accel = playerInputGas*playerAccel*lerp(speedPercent, 1, .5)
* lerp(lowSpeedPercent, 1, 7);

// apply acceleration in angle of road
const accelVec = vec3(0,0,accel).rotateX(trackSegment.pitch);
this.velocity = this.velocity.add(accelVec);
}
else if (this.velocity.z < 30)
this.velocity.z *= .9; // slow to stop
Expand Down

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