Revision 03aa6c3b
Added by Leszek Koltunski over 7 years ago
| src/main/java/org/distorted/library/main/EffectQueueMatrix.java | ||
|---|---|---|
| 35 | 35 |
|
| 36 | 36 |
private static float[] mMVPMatrix = new float[16]; |
| 37 | 37 |
private static float[] mViewMatrix= new float[16]; |
| 38 |
private static float[] mTmpMatrix = new float[16]; |
|
| 39 |
private static float[] mTmpResult = new float[4]; |
|
| 40 |
private static float[] mTmpPoint = new float[4]; |
|
| 41 |
private static float mMinx; |
|
| 42 |
private static float mMaxx; |
|
| 43 |
private static float mMiny; |
|
| 44 |
private static float mMaxy; |
|
| 38 | 45 |
|
| 39 | 46 |
private static int mObjDH; // This is a handle to half a Object dimensions |
| 40 | 47 |
private static int mMVPMatrixH; // the transformation matrix |
| ... | ... | |
| 49 | 56 |
|
| 50 | 57 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 51 | 58 |
|
| 59 |
private void magnifyDir() |
|
| 60 |
{
|
|
| 61 |
Matrix.multiplyMV(mTmpResult,0,mTmpMatrix,0,mTmpPoint,0); |
|
| 62 |
float nx = mTmpResult[0]/mTmpResult[3]; |
|
| 63 |
float ny = mTmpResult[1]/mTmpResult[3]; |
|
| 64 |
|
|
| 65 |
if( nx<mMinx ) mMinx = nx; |
|
| 66 |
if( nx>mMaxx ) mMaxx = nx; |
|
| 67 |
if( ny<mMiny ) mMiny = ny; |
|
| 68 |
if( ny>mMaxy ) mMaxy = ny; |
|
| 69 |
} |
|
| 70 |
|
|
| 71 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 72 |
// modify the ModelView matrix so that the object drawn appears to be (about) 'marginInPixels' pixels |
|
| 73 |
// larger in each direction when rendered. Used in BLUR. |
|
| 74 |
|
|
| 52 | 75 |
private void magnify(DistortedOutputSurface projection, float halfX, float halfY, float halfZ, float marginInPixels) |
| 53 | 76 |
{
|
| 54 |
float scale, nx, ny; |
|
| 55 |
float[] result= new float[4]; |
|
| 56 |
float[] point = new float[4]; |
|
| 57 |
float[] matrix= new float[16]; |
|
| 58 |
float minx = Integer.MAX_VALUE; |
|
| 59 |
float maxx = Integer.MIN_VALUE; |
|
| 60 |
float miny = Integer.MAX_VALUE; |
|
| 61 |
float maxy = Integer.MIN_VALUE; |
|
| 62 |
|
|
| 63 |
point[3] = 1.0f; |
|
| 64 |
|
|
| 65 |
Matrix.multiplyMM(matrix, 0, projection.mProjectionMatrix, 0, mViewMatrix, 0); |
|
| 66 |
|
|
| 67 |
point[0] = +halfX; point[1] = +halfY; point[2] = +halfZ; |
|
| 68 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 69 |
nx = result[0]/result[3]; |
|
| 70 |
ny = result[1]/result[3]; |
|
| 71 |
if( nx<minx ) minx = nx; |
|
| 72 |
if( nx>maxx ) maxx = nx; |
|
| 73 |
if( ny<miny ) miny = ny; |
|
| 74 |
if( ny>maxy ) maxy = ny; |
|
| 75 |
|
|
| 76 |
point[0] = +halfX; point[1] = +halfY; point[2] = -halfZ; |
|
| 77 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 78 |
nx = result[0]/result[3]; |
|
| 79 |
ny = result[1]/result[3]; |
|
| 80 |
if( nx<minx ) minx = nx; |
|
| 81 |
if( nx>maxx ) maxx = nx; |
|
| 82 |
if( ny<miny ) miny = ny; |
|
| 83 |
if( ny>maxy ) maxy = ny; |
|
| 84 |
|
|
| 85 |
point[0] = +halfX; point[1] = -halfY; point[2] = +halfZ; |
|
| 86 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 87 |
nx = result[0]/result[3]; |
|
| 88 |
ny = result[1]/result[3]; |
|
| 89 |
if( nx<minx ) minx = nx; |
|
| 90 |
if( nx>maxx ) maxx = nx; |
|
| 91 |
if( ny<miny ) miny = ny; |
|
| 92 |
if( ny>maxy ) maxy = ny; |
|
| 93 |
|
|
| 94 |
point[0] = +halfX; point[1] = -halfY; point[2] = -halfZ; |
|
| 95 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 96 |
nx = result[0]/result[3]; |
|
| 97 |
ny = result[1]/result[3]; |
|
| 98 |
if( nx<minx ) minx = nx; |
|
| 99 |
if( nx>maxx ) maxx = nx; |
|
| 100 |
if( ny<miny ) miny = ny; |
|
| 101 |
if( ny>maxy ) maxy = ny; |
|
| 102 |
|
|
| 103 |
point[0] = -halfX; point[1] = +halfY; point[2] = +halfZ; |
|
| 104 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 105 |
nx = result[0]/result[3]; |
|
| 106 |
ny = result[1]/result[3]; |
|
| 107 |
if( nx<minx ) minx = nx; |
|
| 108 |
if( nx>maxx ) maxx = nx; |
|
| 109 |
if( ny<miny ) miny = ny; |
|
| 110 |
if( ny>maxy ) maxy = ny; |
|
| 111 |
|
|
| 112 |
point[0] = -halfX; point[1] = +halfY; point[2] = -halfZ; |
|
| 113 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 114 |
nx = result[0]/result[3]; |
|
| 115 |
ny = result[1]/result[3]; |
|
| 116 |
if( nx<minx ) minx = nx; |
|
| 117 |
if( nx>maxx ) maxx = nx; |
|
| 118 |
if( ny<miny ) miny = ny; |
|
| 119 |
if( ny>maxy ) maxy = ny; |
|
| 120 |
|
|
| 121 |
point[0] = -halfX; point[1] = -halfY; point[2] = +halfZ; |
|
| 122 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 123 |
nx = result[0]/result[3]; |
|
| 124 |
ny = result[1]/result[3]; |
|
| 125 |
if( nx<minx ) minx = nx; |
|
| 126 |
if( nx>maxx ) maxx = nx; |
|
| 127 |
if( ny<miny ) miny = ny; |
|
| 128 |
if( ny>maxy ) maxy = ny; |
|
| 129 |
|
|
| 130 |
point[0] = -halfX; point[1] = -halfY; point[2] = -halfZ; |
|
| 131 |
Matrix.multiplyMV(result,0,matrix,0,point,0); |
|
| 132 |
nx = result[0]/result[3]; |
|
| 133 |
ny = result[1]/result[3]; |
|
| 134 |
if( nx<minx ) minx = nx; |
|
| 135 |
if( nx>maxx ) maxx = nx; |
|
| 136 |
if( ny<miny ) miny = ny; |
|
| 137 |
if( ny>maxy ) maxy = ny; |
|
| 138 |
|
|
| 139 |
float xlen = projection.mWidth *(maxx-minx)/2; |
|
| 140 |
float ylen = projection.mHeight*(maxy-miny)/2; |
|
| 141 |
|
|
| 142 |
scale = 1.0f + marginInPixels/( xlen>ylen ? ylen:xlen ); |
|
| 77 |
mMinx = Integer.MAX_VALUE; |
|
| 78 |
mMaxx = Integer.MIN_VALUE; |
|
| 79 |
mMiny = Integer.MAX_VALUE; |
|
| 80 |
mMaxy = Integer.MIN_VALUE; |
|
| 81 |
|
|
| 82 |
mTmpPoint[3] = 1.0f; |
|
| 83 |
|
|
| 84 |
Matrix.multiplyMM(mTmpMatrix, 0, projection.mProjectionMatrix, 0, mViewMatrix, 0); |
|
| 85 |
|
|
| 86 |
mTmpPoint[0] = +halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = +halfZ; magnifyDir(); |
|
| 87 |
mTmpPoint[0] = +halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = -halfZ; magnifyDir(); |
|
| 88 |
mTmpPoint[0] = +halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = +halfZ; magnifyDir(); |
|
| 89 |
mTmpPoint[0] = +halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = -halfZ; magnifyDir(); |
|
| 90 |
mTmpPoint[0] = -halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = +halfZ; magnifyDir(); |
|
| 91 |
mTmpPoint[0] = -halfX; mTmpPoint[1] = +halfY; mTmpPoint[2] = -halfZ; magnifyDir(); |
|
| 92 |
mTmpPoint[0] = -halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = +halfZ; magnifyDir(); |
|
| 93 |
mTmpPoint[0] = -halfX; mTmpPoint[1] = -halfY; mTmpPoint[2] = -halfZ; magnifyDir(); |
|
| 94 |
|
|
| 95 |
float xlen = projection.mWidth *(mMaxx-mMinx)/2; |
|
| 96 |
float ylen = projection.mHeight*(mMaxy-mMiny)/2; |
|
| 97 |
float scale = 1.0f + marginInPixels/( xlen>ylen ? ylen:xlen ); |
|
| 143 | 98 |
|
| 144 | 99 |
//android.util.Log.d("scale", ""+marginInPixels+" scale= "+scale+" xlen="+xlen+" ylen="+ylen);
|
| 145 | 100 |
|
Also available in: Unified diff
Simplification in EffectQueueMatrix.