Add multitouch support to physics test. (4859f523) · Commits · e / os / android_frameworks_base

libs/rs/java/Balls/src/com/android/balls/BallsRS.java

+1 −3

Original line number	Diff line number	Diff line
		@@ -129,9 +129,7 @@ public class BallsRS {
		}

		public void newTouchPosition(float x, float y, float pressure, int id) {
		mPhysicsScript.set_touchX(x);
		mPhysicsScript.set_touchY(y);
		mPhysicsScript.set_touchPressure(pressure);
		mPhysicsScript.invoke_touch(x, y, pressure, id);
		}

		public void setAccel(float x, float y) {

libs/rs/java/Balls/src/com/android/balls/BallsView.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,7 @@ public class BallsView extends RSSurfaceView {
		int pointerIndex = ev.getActionIndex();
		int pointerId = ev.getPointerId(pointerIndex);
		mRender.newTouchPosition(0, 0, 0, pointerId);
		return false;
		}
		int count = ev.getHistorySize();
		int pcount = ev.getPointerCount();

libs/rs/java/Balls/src/com/android/balls/ball_physics.rs

+17 −21

Original line number	Diff line number	Diff line
		@@ -8,18 +8,22 @@ float2 gGravityVector = {0.f, 9.8f};
		float2 gMinPos = {0.f, 0.f};
		float2 gMaxPos = {1280.f, 700.f};

		float touchX;
		float touchY;
		float touchPressure = 0.f;
		static float2 touchPos[10];
		static float touchPressure[10];

		void setGamma(float g) {
		void touch(float x, float y, float pressure, int id) {
		if (id >= 10) {
		return;
		}

		touchPos[id].x = x;
		touchPos[id].y = y;
		touchPressure[id] = pressure;
		}

		void root(const Ball_t ballIn, Ball_t ballOut, const BallControl_t *ctl, uint32_t x) {
		float2 fv = {0, 0};
		float2 pos = ballIn->position;
		//rsDebug("physics pos in", pos);

		int arcID = -1;
		float arcInvStr = 100000;
		@@ -38,10 +42,6 @@ void root(const Ball_t ballIn, Ball_t ballOut, const BallControl_t *ctl, uint3
		if (len2 > 16 /* (minDistminDist)/) {
		// Repulsion
		float len = sqrt(len2);
		//if (len < arcInvStr) {
		//arcInvStr = len;
		//arcID = xin;
		//}
		fv -= (vec / (len * len * len)) * 20000.f * forceScale;
		} else {
		if (len2 < 1) {
		@@ -78,12 +78,13 @@ void root(const Ball_t ballIn, Ball_t ballOut, const BallControl_t *ctl, uint3
		fv -= gGravityVector * 4.f;
		fv *= ctl->dt;

		if (touchPressure > 0.1f) {
		float2 tp = {touchX, touchY};
		float2 vec = tp - ballIn->position;
		for (int i=0; i < 10; i++) {
		if (touchPressure[i] > 0.1f) {
		float2 vec = touchPos[i] - ballIn->position;
		float2 vec2 = vec * vec;
		float len2 = max(2.f, vec2.x + vec2.y);
		fv -= (vec / len2) * touchPressure * 400.f;
		fv -= (vec / len2) * touchPressure[i] * 300.f;
		}
		}

		ballOut->delta = (ballIn->delta * (1.f - 0.004f)) + fv;
		@@ -138,11 +139,6 @@ void root(const Ball_t ballIn, Ball_t ballOut, const BallControl_t *ctl, uint3
		}
		}

		//ballOut->color.b = 1.f;
		//ballOut->color.r = min(sqrt(length(ballOut->delta)) * 0.1f, 1.f);
		//ballOut->color.g = min(sqrt(length(fv) * 0.1f), 1.f);
		//ballOut->arcID = arcID;
		//ballOut->arcStr = 8 / arcInvStr;
		ballOut->size = ballIn->size;

		//rsDebug("physics pos out", ballOut->position);

libs/rs/rsScriptC.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -47,7 +47,6 @@ ScriptC::~ScriptC() {
		}

		void ScriptC::setupScript(Context *rsc) {
		setupGLState(rsc);
		mEnviroment.mStartTimeMillis
		= nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_MONOTONIC));

		@@ -123,6 +122,7 @@ uint32_t ScriptC::run(Context *rsc) {
		return 0;
		}

		setupGLState(rsc);
		setupScript(rsc);

		uint32_t ret = 0;
		@@ -278,6 +278,7 @@ void ScriptC::runForEach(Context *rsc,

		rsAssert(ain->getType()->getDimZ() == 0);

		setupGLState(rsc);
		setupScript(rsc);
		Script * oldTLS = setTLS(this);

		@@ -336,7 +337,6 @@ void ScriptC::runForEach(Context *rsc,
		}

		void ScriptC::Invoke(Context rsc, uint32_t slot, const void data, uint32_t len) {
		//LOGE("rsi_ScriptInvoke %i", slot);
		if ((slot >= mEnviroment.mInvokeFunctionCount) \|\|
		(mEnviroment.mInvokeFunctions[slot] == NULL)) {
		rsc->setError(RS_ERROR_BAD_SCRIPT, "Calling invoke on bad script");