comparison projects/tank_wars/render.cpp @ 14:06f93bef7dd2

Updated remaining examples to new API

 #include "game.h"
 #include <rtdk.h>
 #include <cmath>
 #include <cstdlib>
 #include <time.h>
-
-float gFrequency;
-float gPhase;
-float gInverseSampleRate;
-int gNumChannels;
 
 int gInputTank1Angle = 0;		// Inputs for the cannon angles
 int gInputTank2Angle = 1;
 int gInputLauncher = 2;			// Input for launcher FSR
 

 // userData holds an opaque pointer to a data structure that was passed
 // in from the call to initAudio().
 //
 // Return true on success; returning false halts the program.
 
-bool initialise_render(int numChannels, int numMatrixFramesPerPeriod,
-					   int numAudioFramesPerPeriod, float matrixSampleRate,
-					   float audioSampleRate, void *userData)
+bool initialise_render(int numMatrixChannels, int numAudioChannels,
+					   int numMatrixFramesPerPeriod,
+					   int numAudioFramesPerPeriod,
+					   float matrixSampleRate, float audioSampleRate,
+					   void *userData)
 {
 	srandom(time(NULL));
 
 	// Verify we are running with matrix enabled
-	if(numMatrixFramesPerPeriod*2 != numAudioFramesPerPeriod) {
-		rt_printf("Error: this example needs the matrix enabled, running at half audio rate\n");
+	if(numMatrixFramesPerPeriod == 0 || numMatrixChannels < 4) {
+		rt_printf("Error: this example needs the matrix enabled with at least 4 channels\n");
 		return false;
 	}
 
 	// Initialise the screen buffers
 	gScreenBufferMaxLength = 2 * matrixSampleRate / gScreenFramesPerSecond;