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Return friction table, tweak values for line rather than pages.

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This commit is contained in:
Jason Sams
2009-10-20 18:19:55 -07:00
parent 96b49d860c
commit 2e19c05891
2 changed files with 42 additions and 30 deletions
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44
res/raw/rollo3.c
View File

@@ -9,6 +9,7 @@ int g_SpecialHWWar;
// Attraction to center values from page edge to page center.
float g_AttractionTable[9];
float g_FrictionTable[9];
float g_PhysicsTableSize;
float g_PosPage;
@@ -66,15 +67,24 @@ void setColor(float r, float g, float b, float a) {
}
void init() {
g_AttractionTable[0] = 6.5f;
g_AttractionTable[1] = 6.5f;
g_AttractionTable[2] = 7.0f;
g_AttractionTable[3] = 6.0f;
g_AttractionTable[4] = -6.0f;
g_AttractionTable[5] = -7.0f;
g_AttractionTable[6] = -6.5f;
g_AttractionTable[7] = -6.5f;
g_AttractionTable[8] = -6.5f; // dup 7 to avoid a clamp later
g_AttractionTable[0] = 20.0f;
g_AttractionTable[1] = 20.0f;
g_AttractionTable[2] = 15.0f;
g_AttractionTable[3] = 10.0f;
g_AttractionTable[4] = -10.0f;
g_AttractionTable[5] = -15.0f;
g_AttractionTable[6] = -15.0f;
g_AttractionTable[7] = -20.0f;
g_AttractionTable[8] = -20.0f; // dup 7 to avoid a clamp later
g_FrictionTable[0] = 10.0f;
g_FrictionTable[1] = 10.0f;
g_FrictionTable[2] = 11.0f;
g_FrictionTable[3] = 15.0f;
g_FrictionTable[4] = 15.0f;
g_FrictionTable[5] = 11.0f;
g_FrictionTable[6] = 10.0f;
g_FrictionTable[7] = 10.0f;
g_FrictionTable[8] = 10.0f; // dup 7 to avoid a clamp later
g_PhysicsTableSize = 7;
g_PosVelocity = 0;
@@ -112,7 +122,7 @@ void moveTo() {
g_MoveToTime = g_MoveToTotalTime;
g_PosVelocity = 0;
g_MoveToOldPos = g_PosPage;
// debugF("======= moveTo", state->targetPos);
}
@@ -170,10 +180,12 @@ void updatePos() {
float accel = lerpf(g_AttractionTable[tablePosI],
g_AttractionTable[tablePosI + 1],
tablePosFrac) * g_DT;
float friction = 4.f * g_DT;
float friction = lerpf(g_FrictionTable[tablePosI],
g_FrictionTable[tablePosI + 1],
tablePosFrac) * g_DT;
if (g_MoveToTime) {
/*
float a = 2.f * (state->targetPos - g_MoveToOldPos) /
(g_MoveToTotalTime * g_MoveToTotalTime);
@@ -186,10 +198,10 @@ void updatePos() {
g_PosPage = g_MoveToOldPos + 0.5f * a * (t * t);
}
*/
// New position is old posiition + (total distance) * (interpolated time)
g_PosPage = g_MoveToOldPos + (state->targetPos - g_MoveToOldPos) * getInterpolation((g_MoveToTotalTime - g_MoveToTime) / g_MoveToTotalTime);
g_MoveToTime -= g_DT;
if (g_MoveToTime <= 0) {
g_MoveToTime = 0;
@@ -208,7 +220,7 @@ void updatePos() {
}
// If our velocity is low OR acceleration is opposing it, apply it.
if (fabsf(g_PosVelocity) < 1.0f || (g_PosVelocity * accel) < 0 || outOfRange) {
if (fabsf(g_PosVelocity) < 2.5f || (g_PosVelocity * accel) < 0 || outOfRange) {
g_PosVelocity += accel;
}
@@ -424,7 +436,7 @@ main(int launchID)
int newTime = uptimeMillis();
g_DT = (newTime - g_LastTime) / 1000.f;
g_LastTime = newTime;
if (!g_DrawLastFrame) {
// If we stopped rendering we cannot use DT.
// assume 30fps in this case.

28
src/com/android/launcher2/AllAppsView.java
View File

@@ -88,12 +88,12 @@ public class AllAppsView extends RSSurfaceView
private RenderScript mRS;
private RolloRS mRollo;
private ArrayList<ApplicationInfo> mAllAppsList;
/**
* True when we are using arrow keys or trackball to drive navigation
*/
private boolean mArrowNavigation = false;
private int mPageCount;
private boolean mStartedScrolling;
private VelocityTracker mVelocity;
@@ -181,7 +181,7 @@ public class AllAppsView extends RSSurfaceView
long endTime = SystemClock.uptimeMillis();
Log.d(TAG, "surfaceChanged took " + (endTime-startTime) + "ms");
}
@Override
protected void onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect) {
@@ -205,7 +205,7 @@ public class AllAppsView extends RSSurfaceView
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER || keyCode == KeyEvent.KEYCODE_ENTER) {
if (mArrowNavigation) {
int whichApp = mRollo.mState.selectedIconIndex;
@@ -215,20 +215,20 @@ public class AllAppsView extends RSSurfaceView
}
}
}
if (mArrowNavigation && mRollo.mState.iconCount > 0) {
mArrowNavigation = true;
int currentSelection = mRollo.mState.selectedIconIndex;
int currentTopRow = (int) mRollo.mMessageProc.mPosX;
// The column of the current selection, in the range 0..COLUMNS_PER_PAGE-1
int currentPageCol = currentSelection % Defines.COLUMNS_PER_PAGE;
// The row of the current selection, in the range 0..ROWS_PER_PAGE-1
int currentPageRow = (currentSelection - (currentTopRow * Defines.COLUMNS_PER_PAGE))
/ Defines.ROWS_PER_PAGE;
int newSelection = currentSelection;
switch (keyCode) {
@@ -237,7 +237,7 @@ public class AllAppsView extends RSSurfaceView
newSelection = currentSelection - Defines.COLUMNS_PER_PAGE;
} else if (currentTopRow > 0) {
mRollo.moveTo(currentTopRow - 1);
newSelection = currentSelection - Defines.COLUMNS_PER_PAGE;
newSelection = currentSelection - Defines.COLUMNS_PER_PAGE;
}
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
@@ -256,7 +256,7 @@ public class AllAppsView extends RSSurfaceView
}
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if ((currentPageCol < Defines.COLUMNS_PER_PAGE - 1) &&
if ((currentPageCol < Defines.COLUMNS_PER_PAGE - 1) &&
(currentSelection < mRollo.mState.iconCount - 1)) {
newSelection = currentSelection + 1;
}
@@ -276,7 +276,7 @@ public class AllAppsView extends RSSurfaceView
public boolean onTouchEvent(MotionEvent ev)
{
mArrowNavigation = false;
if (!isVisible()) {
return true;
}
@@ -635,8 +635,8 @@ public class AllAppsView extends RSSurfaceView
private boolean checkClickOK() {
//android.util.Log.e("rs", "check click " + Float.toString(mReadback.velocity) + ", " + Float.toString(mReadback.posX));
return (Math.abs(mMessageProc.mVelocity) < 0.1f) &&
(Math.abs(mMessageProc.mPosX - Math.round(mMessageProc.mPosX)) < 0.1f);
return (Math.abs(mMessageProc.mVelocity) < 0.4f) &&
(Math.abs(mMessageProc.mPosX - Math.round(mMessageProc.mPosX)) < 0.4f);
}
class Params extends BaseAlloc {