added interpolation
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@@ -84,28 +84,58 @@ public class Targeting {
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{
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}
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public Settings calculateSettings(double robotX, double robotY, double robotHeading, double robotVelocity) {
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public Settings calculateSettings(double robotX, double robotY, double robotHeading, double robotVelocity, boolean interpolate) {
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Settings recommendedSettings = new Settings(0.0, 0.0);
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double cos45 = Math.cos(Math.toRadians(-45));
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double sin45 = Math.sin(Math.toRadians(-45));
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double rotatedY = (robotX -40.0) * sin45 + (robotY +7.0) * cos45;
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double rotatedX = (robotX -40.0) * cos45 - (robotY +7.0) * sin45;
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double rotatedY = (robotX - 40.0) * sin45 + (robotY + 7.0) * cos45;
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double rotatedX = (robotX - 40.0) * cos45 - (robotY + 7.0) * sin45;
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// Convert robot coordinates to inches
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robotInchesX = rotatedX * unitConversionFactor;
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robotInchesY = rotatedY * unitConversionFactor;
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// Find approximate location in the grid
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robotGridX = Math.abs(Math.floorDiv((int) robotInchesX, tileSize) +1);
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robotGridX = Math.abs(Math.floorDiv((int) robotInchesX, tileSize) + 1);
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robotGridY = Math.abs(Math.floorDiv((int) robotInchesY, tileSize));
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// Use Grid Location to perform lookup
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// Keep it simple for now but may want to interpolate results
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if ((robotGridY < 6) && (robotGridX <6)) {
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recommendedSettings.flywheelRPM = KNOWNTARGETING[robotGridY][robotGridX].flywheelRPM;
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recommendedSettings.hoodAngle = KNOWNTARGETING[robotGridY][robotGridX].hoodAngle;
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//clamp
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robotGridX = Math.max(0, Math.min(gridX, KNOWNTARGETING[0].length - 1));
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robotGridY = Math.max(0, Math.min(gridY, KNOWNTARGETING.length - 1));
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// basic search
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if(!interpolate) {
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if ((robotGridY < 6) && (robotGridX <6)) {
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recommendedSettings.flywheelRPM = KNOWNTARGETING[robotGridY][robotGridX].flywheelRPM;
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recommendedSettings.hoodAngle = KNOWNTARGETING[robotGridY][robotGridX].hoodAngle;
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}
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return recommendedSettings;
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} else {
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// bilinear interpolation
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int x0 = robotGridX;
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int x1 = Math.min(x0 + 1, KNOWNTARGETING[0].length - 1);
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int y0 = gridY;
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int y1 = Math.min(y0 + 1, KNOWNTARGETING.length - 1);
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double x = (robotInchesX - (x0 * tileSize)) / tileSize;
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double y = (robotInchesY - (y0 * tileSize)) / tileSize;
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double rpm00 = KNOWNTARGETING[y0][x0].flywheelRPM;
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double rpm10 = KNOWNTARGETING[y0][x1].flywheelRPM;
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double rpm01 = KNOWNTARGETING[y1][x0].flywheelRPM;
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double rpm11 = KNOWNTARGETING[y1][x1].flywheelRPM;
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double angle00 = KNOWNTARGETING[y0][x0].hoodAngle;
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double angle10 = KNOWNTARGETING[y0][x1].hoodAngle;
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double angle01 = KNOWNTARGETING[y1][x0].hoodAngle;
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double angle11 = KNOWNTARGETING[y1][x1].hoodAngle;
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recommendedSettings.flywheelRPM = (1 - x) * (1 - y) * rpm00 + x * (1 - y) * rpm10 + (1 - x) * y * rpm01 + x * y * rpm11;
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recommendedSettings.hoodAngle = (1 - x) * (1 - y) * angle00 + x * (1 - y) * angle10 + (1 - x) * y * angle01 + x * y * angle11;
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return recommendedSettings;
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}
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return recommendedSettings;
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}
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}
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