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Moving the BigBlue marks to be clearer.

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Martin Haye 2013-09-29 12:17:28 -07:00
parent fc0ccb441a
commit c57d935830
1 changed files with 7 additions and 8 deletions
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15
Platform/Apple/virtual/src/raycast/javascript/intcast.js
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@ -342,7 +342,7 @@ var prevY = -1;
var prevAngleNum = -1; var prevAngleNum = -1;
var prevOptions = -1; var prevOptions = -1;
// Cast all the rays from the player position and draw them [ref BigBlue2d] // Cast all the rays from the player position and draw them
function castRays(force) function castRays(force)
{ {
// If we're already showing this location and angle, no need to re-do it. // If we're already showing this location and angle, no need to re-do it.
@ -355,10 +355,9 @@ function castRays(force)
console.log("Cast: x=" + player.x + ", y=" + player.y + ", angle=" + player.angleNum); console.log("Cast: x=" + player.x + ", y=" + player.y + ", angle=" + player.angleNum);
// Cast all the rays and record the data // Cast all the rays and record the data [ref BigBlue2d]
lineData = []; lineData = [];
var rayNum; for (var rayNum = 0; rayNum < 63; rayNum++) {
for (rayNum = 0; rayNum < 63; rayNum++) {
data = intCast(rayNum); data = intCast(rayNum);
// For display on the PC, expand pixels 8x // For display on the PC, expand pixels 8x
data.height *= 8; data.height *= 8;
@ -562,11 +561,11 @@ function wallCalc(x, dist, bDir1, bDir2, bStep2)
} }
// Cast one ray from the player's position through the map until we hit a wall. // Cast one ray from the player's position through the map until we hit a wall.
// This version uses only strictly integers, making it easier to port to the // [ref BigBlue2e]
// 6502. [ref BigBlue2e] // This version uses only integers, making it easier to port to the 6502.
//
function intCast(x) function intCast(x)
{ {
// Start with precalculated data for this ray direction
var data = precastData[player.angleNum][x]; var data = precastData[player.angleNum][x];
// Calculate ray position and direction // Calculate ray position and direction
@ -690,7 +689,7 @@ function intCast(x)
", wallX=$" + byteToHex(bWallX)); ", wallX=$" + byteToHex(bWallX));
} }
// Wrap it all in a nice package. // Wrap it all in a nice package. [ref BigBlue2f]
return { wallType: map[bMapY][bMapX], return { wallType: map[bMapY][bMapX],
textureX: bWallX / 256.0, textureX: bWallX / 256.0,
height: lineHeight }; height: lineHeight };